Find out who called from that unknown Chicago number using our free reverse phone lookup service. Enter the full 10-digit number (including 773, 312, and 872 or any other US area code) to search for available caller information including name, address, phone carrier, and more.
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Chicago area codes are 312, 630, 773, 872, 708.
Phone numbers reported as unwanted calls to the FTC by Chicago residents in the last 30 days.
(855) 909-0815
Reducing your debt (credit cards, mortgage, student loans)
12 reports ·
(607) 294-9001
Calls pretending to be government, businesses, or family and friends
10 reports ·
(217) 217-2530
Other
7 reports ·
(855) 994-2142
Reducing your debt (credit cards, mortgage, student loans)
5 reports ·
(315) 215-8040
Reducing your debt (credit cards, mortgage, student loans)
5 reports ·
(866) 959-1080
Reducing your debt (credit cards, mortgage, student loans)
5 reports ·
(833) 371-7380
Reducing your debt (credit cards, mortgage, student loans)
4 reports ·
(833) 868-3374
Other
4 reports ·
(315) 964-6121
Other
4 reports ·
(312) 841-9995
Other
4 reports ·
If you receive fraudulent calls or suspect a scam attempt, report it to reportfraud.ftc.gov or local police department using the following contacts:
3510 South Michigan Avenue, Chicago, IL 60653-1020
List of prefixes are assigned to CHICGOZN01, CHICGOZN02, CHICGOZN03, CHICGOZN04, CHICGOZN05, CHICGOZN06, CHICGOZN07, CHICGOZN08, CHICGOZN09, CHICGOZN10, CHICGOZN11 rate centers. Filter by phone number prefix or carrier name.
| Prefix | Carrier |
|---|---|
| (312) 201 | AT&T |
| (312) 202 | AT&T |
| (312) 203 | AT&T |
| (312) 205 | Verizon |
| (312) 206 | AT&T |
| (312) 207 | AT&T |
| (312) 208 | AT&T |
| (312) 212 | AT&T |
| (312) 213 | AT&T |
| (312) 214 | AT&T |
| (312) 216 | First Communications |
| (312) 217 | T-Mobile |
| (312) 218 | AT&T |
| (312) 219 | Bandwidth |
| (312) 220 | AT&T |
| (312) 221 | T-Mobile |
| (312) 222 | AT&T |
| (312) 223 | AT&T |
| (312) 224 | Lumen |
| (312) 225 | AT&T |
| (312) 226 | AT&T |
| (312) 227 | AT&T |
| (312) 228 | AT&T |
| (312) 229 | AT&T |
| (312) 233 | AT&T |
| (312) 234 | AT&T |
| (312) 235 | AT&T |
| (312) 236 | AT&T |
| (312) 237 | Verizon |
| (312) 238 | Lumen |
| (312) 239 | AT&T |
| (312) 240 | AT&T |
| (312) 241 | AT&T |
| (312) 242 | Teleport Communications America |
| (312) 243 | AT&T |
| (312) 244 | AT&T |
| (312) 245 | AT&T |
| (312) 251 | AT&T |
| (312) 252 | Verizon |
| (312) 253 | Verizon |
| (312) 254 | Verizon |
| (312) 255 | AT&T |
| (312) 256 | Verizon |
| (312) 257 | Verizon |
| (312) 258 | AT&T |
| (312) 259 | AT&T |
| (312) 260 | Verizon |
| (312) 261 | Lumen |
| (312) 262 | Verizon |
| (312) 263 | AT&T |
| (312) 264 | Lumen |
| (312) 265 | Access One |
| (312) 266 | AT&T |
| (312) 267 | AT&T |
| (312) 268 | Lumen |
| (312) 269 | AT&T |
| (312) 270 | T-Mobile |
| (312) 273 | Verizon |
| (312) 274 | AT&T |
| (312) 275 | Verizon |
| (312) 276 | Verizon |
| (312) 277 | Verizon |
| (312) 278 | Lumen |
| (312) 279 | Verizon |
| (312) 280 | AT&T |
| (312) 281 | Global Crossing Local Services |
| (312) 282 | AT&T |
| (312) 283 | Global Crossing Local Services |
| (312) 284 | Verizon |
| (312) 285 | T-Mobile |
| (312) 286 | AT&T |
| (312) 288 | Verizon |
| (312) 290 | USA Mobility Wireless |
| (312) 291 | AT&T |
| (312) 292 | Bandwidth |
| (312) 293 | AT&T |
| (312) 294 | AT&T |
| (312) 296 | T-Mobile |
| (312) 297 | AT&T |
| (312) 298 | RCN Telecom Services Of Illinios |
| (312) 300 | Lumen |
| (312) 306 | AT&T |
| (312) 307 | AT&T |
| (312) 312 | Onvoy |
| (312) 313 | Onvoy |
| (312) 315 | AT&T |
| (312) 316 | AT&T |
| (312) 319 | Verizon |
| (312) 320 | AT&T |
| (312) 321 | AT&T |
| (312) 322 | AT&T |
| (312) 324 | Lumen |
| (312) 325 | AT&T |
| (312) 326 | AT&T |
| (312) 327 | Verizon |
| (312) 328 | AT&T |
| (312) 329 | AT&T |
| (312) 330 | AT&T |
| (312) 332 | AT&T |
| (312) 334 | First Communications |
| (312) 335 | AT&T |
| (312) 336 | AT&T |
| (312) 337 | AT&T |
| (312) 338 | AT&T |
| (312) 339 | Verizon |
| (312) 340 | T-Mobile |
| (312) 341 | AT&T |
| (312) 342 | AT&T |
| (312) 343 | Verizon |
| (312) 344 | AT&T |
| (312) 345 | AT&T |
| (312) 346 | AT&T |
| (312) 347 | AT&T |
| (312) 348 | Onvoy |
| (312) 349 | USA Mobility Wireless |
| (312) 350 | Verizon |
| (312) 351 | AT&T |
| (312) 353 | AT&T |
| (312) 355 | AT&T |
| (312) 356 | AT&T |
| (312) 357 | AT&T |
| (312) 358 | T-Mobile |
| (312) 360 | AT&T |
| (312) 361 | AT&T |
| (312) 362 | AT&T |
| (312) 363 | RCN Telecom Services Of Illinios |
| (312) 364 | AT&T |
| (312) 365 | USA Mobility Wireless |
| (312) 366 | AT&T |
| (312) 368 | AT&T |
| (312) 369 | AT&T |
| (312) 371 | T-Mobile |
| (312) 372 | AT&T |
| (312) 373 | Lumen |
| (312) 374 | AT&T |
| (312) 375 | T-Mobile |
| (312) 376 | Onvoy |
| (312) 377 | Verizon |
| (312) 379 | Ovation Communications |
| (312) 380 | AT&T |
| (312) 381 | AT&T |
| (312) 382 | AT&T |
| (312) 383 | Teleport Communications America |
| (312) 384 | AT&T |
| (312) 385 | AT&T |
| (312) 386 | AT&T |
| (312) 388 | T-Mobile |
| (312) 391 | AT&T |
| (312) 394 | AT&T |
| (312) 395 | AT&T |
| (312) 396 | AT&T |
| (312) 397 | AT&T |
| (312) 399 | T-Mobile |
| (312) 400 | American Messaging Services |
| (312) 401 | AT&T |
| (312) 402 | AT&T |
| (312) 404 | T-Mobile |
| (312) 405 | Verizon |
| (312) 407 | AT&T |
| (312) 408 | AT&T |
| (312) 409 | AT&T |
| (312) 413 | AT&T |
| (312) 415 | Verizon |
| (312) 416 | Mcimetro Access Transmission Services |
| (312) 419 | AT&T |
| (312) 420 | AT&T |
| (312) 421 | AT&T |
| (312) 422 | AT&T |
| (312) 423 | Lumen |
| (312) 424 | AT&T |
| (312) 425 | AT&T |
| (312) 427 | AT&T |
| (312) 428 | Lumen |
| (312) 429 | Global Crossing Local Services |
| (312) 431 | AT&T |
| (312) 432 | AT&T |
| (312) 433 | AT&T |
| (312) 435 | AT&T |
| (312) 436 | AT&T |
| (312) 437 | T-Mobile |
| (312) 440 | AT&T |
| (312) 441 | AT&T |
| (312) 442 | AT&T |
| (312) 443 | AT&T |
| (312) 444 | AT&T |
| (312) 445 | AT&T |
| (312) 446 | T-Mobile |
| (312) 447 | AT&T |
| (312) 448 | Verizon |
| (312) 450 | AT&T |
| (312) 451 | T-Mobile |
| (312) 453 | Mcimetro Access Transmission Services |
| (312) 454 | AT&T |
| (312) 455 | AT&T |
| (312) 456 | AT&T |
| (312) 458 | AT&T |
| (312) 459 | T-Mobile |
| (312) 460 | AT&T |
| (312) 461 | AT&T |
| (312) 462 | AT&T |
| (312) 463 | AT&T |
| (312) 464 | AT&T |
| (312) 465 | Choice One Communications |
| (312) 466 | AT&T |
| (312) 467 | AT&T |
| (312) 469 | AT&T |
| (312) 470 | Verizon |
| (312) 471 | Verizon |
| (312) 472 | AT&T |
| (312) 473 | YMAX Communications |
| (312) 474 | AT&T |
| (312) 475 | AT&T |
| (312) 476 | T-Mobile |
| (312) 477 | Lumen |
| (312) 479 | AT&T |
| (312) 480 | AT&T |
| (312) 482 | AT&T |
| (312) 485 | Verizon |
| (312) 486 | Mcimetro Access Transmission Services |
| (312) 487 | T-Mobile |
| (312) 488 | Lumen |
| (312) 489 | Verizon |
| (312) 491 | AT&T |
| (312) 492 | AT&T |
| (312) 493 | T-Mobile |
| (312) 494 | AT&T |
| (312) 495 | USA Mobility Wireless |
| (312) 496 | AT&T |
| (312) 497 | Verizon |
| (312) 498 | T-Mobile |
| (312) 499 | AT&T |
| (312) 502 | Verizon |
| (312) 503 | Teleport Communications America |
| (312) 504 | AT&T |
| (312) 505 | Verizon |
| (312) 506 | First Communications |
| (312) 507 | AT&T |
| (312) 508 | Peerless Network |
| (312) 509 | Peerless Network |
| (312) 513 | AT&T |
| (312) 515 | Verizon |
| (312) 516 | AT&T |
| (312) 517 | Verizon |
| (312) 519 | Verizon |
| (312) 520 | Verizon |
| (312) 521 | AT&T |
| (312) 522 | T-Mobile |
| (312) 523 | T-Mobile |
| (312) 525 | Verizon |
| (312) 526 | AT&T |
| (312) 527 | AT&T |
| (312) 529 | AT&T |
| (312) 532 | T-Mobile |
| (312) 533 | Verizon |
| (312) 534 | AT&T |
| (312) 537 | AT&T |
| (312) 540 | AT&T |
| (312) 541 | AT&T |
| (312) 542 | AT&T |
| (312) 543 | AT&T |
| (312) 544 | AT&T |
| (312) 545 | T-Mobile |
| (312) 546 | Lumen |
| (312) 547 | AT&T |
| (312) 548 | Lumen |
| (312) 549 | Teleport Communications America |
| (312) 550 | Verizon |
| (312) 551 | AT&T |
| (312) 552 | AT&T |
| (312) 553 | AT&T |
| (312) 554 | AT&T |
| (312) 557 | AT&T |
| (312) 558 | AT&T |
| (312) 559 | AT&T |
| (312) 560 | AT&T |
| (312) 561 | Verizon |
| (312) 563 | AT&T |
| (312) 564 | First Communications |
| (312) 565 | AT&T |
| (312) 566 | AT&T |
| (312) 567 | AT&T |
| (312) 568 | AT&T |
| (312) 569 | AT&T |
| (312) 572 | AT&T |
| (312) 573 | AT&T |
| (312) 574 | AT&T |
| (312) 575 | AT&T |
| (312) 576 | AT&T |
| (312) 577 | Mcimetro Access Transmission Services |
| (312) 578 | AT&T |
| (312) 579 | Verizon |
| (312) 580 | AT&T |
| (312) 582 | AT&T |
| (312) 583 | AT&T |
| (312) 585 | Verizon |
| (312) 586 | Onvoy |
| (312) 587 | AT&T |
| (312) 588 | AT&T |
| (312) 589 | AT&T |
| (312) 590 | Verizon |
| (312) 591 | AT&T |
| (312) 593 | T-Mobile |
| (312) 594 | Verizon |
| (312) 595 | AT&T |
| (312) 596 | Teleport Communications America |
| (312) 597 | Verizon |
| (312) 599 | Verizon |
| (312) 600 | Onvoy |
| (312) 601 | Verizon |
| (312) 602 | Lumen |
| (312) 603 | AT&T |
| (312) 604 | Verizon |
| (312) 606 | AT&T |
| (312) 607 | AT&T |
| (312) 608 | AT&T |
| (312) 609 | AT&T |
| (312) 610 | Verizon |
| (312) 612 | AT&T |
| (312) 613 | AT&T |
| (312) 614 | AT&T |
| (312) 616 | AT&T |
| (312) 617 | T-Mobile |
| (312) 618 | AT&T |
| (312) 619 | T-Mobile |
| (312) 620 | Bandwidth |
| (312) 621 | AT&T |
| (312) 622 | AT&T |
| (312) 623 | AT&T |
| (312) 624 | RCN Telecom Services Of Illinios |
| (312) 625 | Lumen |
| (312) 626 | Onvoy |
| (312) 627 | AT&T |
| (312) 628 | Verizon |
| (312) 629 | AT&T |
| (312) 630 | AT&T |
| (312) 631 | CenturyLink Communications |
| (312) 632 | AT&T |
| (312) 633 | AT&T |
| (312) 634 | AT&T |
| (312) 635 | Global Crossing Local Services |
| (312) 636 | Verizon |
| (312) 637 | Lumen |
| (312) 638 | Lumen |
| (312) 639 | Verizon |
| (312) 640 | AT&T |
| (312) 641 | AT&T |
| (312) 642 | AT&T |
| (312) 643 | RCN Telecom Services Of Illinios |
| (312) 644 | AT&T |
| (312) 645 | AT&T |
| (312) 646 | Lumen |
| (312) 647 | T-Mobile |
| (312) 648 | AT&T |
| (312) 649 | AT&T |
| (312) 650 | RCN Telecom Services Of Illinios |
| (312) 651 | AT&T |
| (312) 653 | AT&T |
| (312) 654 | AT&T |
| (312) 655 | AT&T |
| (312) 656 | T-Mobile |
| (312) 658 | AT&T |
| (312) 659 | AT&T |
| (312) 660 | Teleport Communications America |
| (312) 661 | AT&T |
| (312) 662 | AT&T |
| (312) 663 | AT&T |
| (312) 664 | AT&T |
| (312) 665 | Teleport Communications America |
| (312) 666 | AT&T |
| (312) 667 | Peerless Network |
| (312) 669 | AT&T |
| (312) 670 | AT&T |
| (312) 671 | T-Mobile |
| (312) 673 | First Communications |
| (312) 674 | AT&T |
| (312) 675 | AT&T |
| (312) 676 | First Communications |
| (312) 678 | T-Mobile |
| (312) 681 | AT&T |
| (312) 683 | AT&T |
| (312) 685 | T-Mobile |
| (312) 687 | T-Mobile |
| (312) 689 | American Messaging Services |
| (312) 690 | RCLEC |
| (312) 692 | AT&T |
| (312) 693 | AT&T |
| (312) 694 | AT&T |
| (312) 695 | AT&T |
| (312) 696 | AT&T |
| (312) 697 | AT&T |
| (312) 698 | Lumen |
| (312) 701 | AT&T |
| (312) 702 | Verizon |
| (312) 704 | AT&T |
| (312) 705 | Teleport Communications America |
| (312) 706 | Teleport Communications America |
| (312) 707 | AT&T |
| (312) 709 | T-Mobile |
| (312) 714 | AT&T |
| (312) 715 | AT&T |
| (312) 718 | Verizon |
| (312) 719 | T-Mobile |
| (312) 720 | Verizon |
| (312) 721 | T-Mobile |
| (312) 722 | Choice One Communications |
| (312) 723 | AT&T |
| (312) 724 | Bandwidth |
| (312) 725 | Bandwidth |
| (312) 726 | AT&T |
| (312) 727 | AT&T |
| (312) 729 | AT&T |
| (312) 730 | AT&T |
| (312) 731 | T-Mobile |
| (312) 732 | AT&T |
| (312) 733 | AT&T |
| (312) 734 | Teleport Communications America |
| (312) 736 | Teleport Communications America |
| (312) 737 | AT&T |
| (312) 738 | AT&T |
| (312) 739 | AT&T |
| (312) 741 | Ovation Communications |
| (312) 742 | AT&T |
| (312) 743 | AT&T |
| (312) 744 | AT&T |
| (312) 745 | AT&T |
| (312) 746 | AT&T |
| (312) 747 | AT&T |
| (312) 750 | AT&T |
| (312) 751 | AT&T |
| (312) 752 | Lumen |
| (312) 753 | RCN Telecom Services Of Illinios |
| (312) 754 | Lumen |
| (312) 755 | AT&T |
| (312) 756 | AT&T |
| (312) 757 | GetGo Communications |
| (312) 758 | Verizon |
| (312) 759 | AT&T |
| (312) 762 | AT&T |
| (312) 763 | Comcast IP Phone |
| (312) 764 | Teleport Communications America |
| (312) 765 | AT&T |
| (312) 766 | Peerless Network |
| (312) 767 | Bandwidth |
| (312) 768 | AT&T |
| (312) 770 | AT&T |
| (312) 771 | Verizon |
| (312) 772 | AT&T |
| (312) 774 | T-Mobile |
| (312) 775 | AT&T |
| (312) 777 | Teleport Communications America |
| (312) 778 | Onvoy |
| (312) 780 | Mcimetro Access Transmission Services |
| (312) 781 | AT&T |
| (312) 782 | AT&T |
| (312) 783 | AT&T |
| (312) 784 | First Communications |
| (312) 785 | AT&T |
| (312) 786 | AT&T |
| (312) 787 | AT&T |
| (312) 788 | AT&T |
| (312) 789 | AT&T |
| (312) 791 | AT&T |
| (312) 792 | Verizon |
| (312) 793 | AT&T |
| (312) 794 | RCN Telecom Services Of Illinios |
| (312) 795 | AT&T |
| (312) 796 | Peerless Network |
| (312) 798 | AT&T |
| (312) 799 | AT&T |
| (312) 800 | Peerless Network |
| (312) 801 | Nuso |
| (312) 802 | Verizon |
| (312) 803 | Mcimetro Access Transmission Services |
| (312) 804 | T-Mobile |
| (312) 805 | Verizon |
| (312) 806 | AT&T |
| (312) 807 | AT&T |
| (312) 808 | AT&T |
| (312) 809 | Verizon |
| (312) 810 | AT&T |
| (312) 813 | AT&T |
| (312) 814 | AT&T |
| (312) 818 | T-Mobile |
| (312) 819 | AT&T |
| (312) 821 | Mcimetro Access Transmission Services |
| (312) 822 | AT&T |
| (312) 823 | AT&T |
| (312) 824 | Verizon |
| (312) 826 | T-Mobile |
| (312) 827 | AT&T |
| (312) 828 | AT&T |
| (312) 829 | AT&T |
| (312) 831 | AT&T |
| (312) 832 | AT&T |
| (312) 833 | Verizon |
| (312) 834 | AT&T |
| (312) 835 | Verizon |
| (312) 836 | AT&T |
| (312) 837 | Comcast IP Phone |
| (312) 838 | T-Mobile |
| (312) 840 | AT&T |
| (312) 841 | AT&T |
| (312) 842 | AT&T |
| (312) 843 | Teleport Communications America |
| (312) 845 | AT&T |
| (312) 846 | AT&T |
| (312) 848 | Verizon |
| (312) 849 | AT&T |
| (312) 850 | AT&T |
| (312) 852 | AT&T |
| (312) 853 | AT&T |
| (312) 854 | RCN Telecom Services Of Illinios |
| (312) 855 | AT&T |
| (312) 856 | AT&T |
| (312) 857 | AT&T |
| (312) 858 | RCLEC |
| (312) 859 | Verizon |
| (312) 860 | AT&T |
| (312) 861 | AT&T |
| (312) 862 | AT&T |
| (312) 863 | Ovation Communications |
| (312) 864 | AT&T |
| (312) 866 | T-Mobile |
| (312) 867 | AT&T |
| (312) 868 | Bandwidth |
| (312) 869 | AT&T |
| (312) 870 | First Communications |
| (312) 871 | Verizon |
| (312) 872 | Lumen |
| (312) 873 | Mcimetro Access Transmission Services |
| (312) 875 | AT&T |
| (312) 876 | AT&T |
| (312) 877 | AT&T |
| (312) 878 | Peerless Network |
| (312) 879 | AT&T |
| (312) 880 | AT&T |
| (312) 881 | Ovation Communications |
| (312) 882 | Verizon |
| (312) 883 | Bandwidth |
| (312) 884 | Ovation Communications |
| (312) 885 | T-Mobile |
| (312) 886 | AT&T |
| (312) 888 | AT&T |
| (312) 890 | T-Mobile |
| (312) 893 | Lumen |
| (312) 894 | Verizon |
| (312) 895 | Lumen |
| (312) 896 | Lumen |
| (312) 897 | Verizon |
| (312) 898 | Verizon |
| (312) 899 | AT&T |
| (312) 902 | AT&T |
| (312) 904 | AT&T |
| (312) 905 | AT&T |
| (312) 906 | AT&T |
| (312) 907 | T-Mobile |
| (312) 908 | AT&T |
| (312) 909 | Verizon |
| (312) 912 | AT&T |
| (312) 913 | AT&T |
| (312) 914 | Verizon |
| (312) 915 | AT&T |
| (312) 917 | AT&T |
| (312) 918 | T-Mobile |
| (312) 919 | Verizon |
| (312) 920 | AT&T |
| (312) 922 | AT&T |
| (312) 923 | AT&T |
| (312) 924 | Windstream |
| (312) 925 | AT&T |
| (312) 926 | AT&T |
| (312) 927 | T-Mobile |
| (312) 928 | AT&T |
| (312) 929 | T-Mobile |
| (312) 930 | AT&T |
| (312) 931 | AT&T |
| (312) 932 | AT&T |
| (312) 933 | T-Mobile |
| (312) 935 | AT&T |
| (312) 938 | AT&T |
| (312) 939 | AT&T |
| (312) 940 | Peerless Network |
| (312) 942 | AT&T |
| (312) 943 | AT&T |
| (312) 944 | AT&T |
| (312) 945 | AT&T |
| (312) 946 | AT&T |
| (312) 947 | AT&T |
| (312) 948 | Ovation Communications |
| (312) 949 | AT&T |
| (312) 951 | AT&T |
| (312) 952 | AT&T |
| (312) 953 | AT&T |
| (312) 955 | RCN Telecom Services Of Illinios |
| (312) 957 | AT&T |
| (312) 960 | AT&T |
| (312) 961 | AT&T |
| (312) 962 | Global Crossing Local Services |
| (312) 964 | Onvoy |
| (312) 965 | Verizon |
| (312) 966 | T-Mobile |
| (312) 967 | Bandwidth |
| (312) 970 | AT&T |
| (312) 971 | Bandwidth |
| (312) 972 | AT&T |
| (312) 973 | Verizon |
| (312) 977 | AT&T |
| (312) 978 | T-Mobile |
| (312) 980 | Teleport Communications America |
| (312) 981 | Ovation Communications |
| (312) 982 | Comcast IP Phone |
| (312) 983 | AT&T |
| (312) 984 | AT&T |
| (312) 985 | Ovation Communications |
| (312) 986 | AT&T |
| (312) 987 | AT&T |
| (312) 988 | AT&T |
| (312) 989 | AT&T |
| (312) 992 | AT&T |
| (312) 993 | AT&T |
| (312) 994 | Ovation Communications |
| (312) 995 | Teleport Communications America |
| (312) 996 | AT&T |
| (312) 997 | AT&T |
| (312) 999 | Verizon |
| (630) 222 | Verizon |
| (630) 294 | Verizon |
| (630) 714 | American Messaging Services |
| (773) 203 | AT&T |
| (773) 206 | AT&T |
| (773) 208 | AT&T |
| (773) 213 | AT&T |
| (773) 218 | AT&T |
| (773) 259 | AT&T |
| (773) 266 | AT&T |
| (773) 315 | AT&T |
| (773) 316 | AT&T |
| (773) 317 | T-Mobile |
| (773) 320 | AT&T |
| (773) 330 | AT&T |
| (773) 339 | Verizon |
| (773) 343 | Verizon |
| (773) 350 | Verizon |
| (773) 354 | T-Mobile |
| (773) 369 | AT&T |
| (773) 370 | T-Mobile |
| (773) 386 | T-Mobile |
| (773) 391 | AT&T |
| (773) 392 | T-Mobile |
| (773) 401 | AT&T |
| (773) 405 | Verizon |
| (773) 415 | Verizon |
| (773) 419 | T-Mobile |
| (773) 421 | Verizon |
| (773) 443 | T-Mobile |
| (773) 447 | T-Mobile |
| (773) 450 | AT&T |
| (773) 459 | T-Mobile |
| (773) 469 | T-Mobile |
| (773) 480 | AT&T |
| (773) 495 | T-Mobile |
| (773) 497 | Verizon |
| (773) 502 | Verizon |
| (773) 504 | AT&T |
| (773) 505 | Verizon |
| (773) 517 | T-Mobile |
| (773) 519 | Verizon |
| (773) 520 | Verizon |
| (773) 544 | T-Mobile |
| (773) 547 | AT&T |
| (773) 550 | Verizon |
| (773) 576 | AT&T |
| (773) 578 | AT&T |
| (773) 590 | Verizon |
| (773) 591 | AT&T |
| (773) 612 | AT&T |
| (773) 616 | T-Mobile |
| (773) 617 | T-Mobile |
| (773) 636 | Verizon |
| (773) 659 | AT&T |
| (773) 716 | T-Mobile |
| (773) 718 | Verizon |
| (773) 719 | T-Mobile |
| (773) 720 | Verizon |
| (773) 771 | Verizon |
| (773) 802 | Verizon |
| (773) 805 | Verizon |
| (773) 818 | T-Mobile |
| (773) 820 | AT&T |
| (773) 833 | Verizon |
| (773) 835 | Verizon |
| (773) 842 | T-Mobile |
| (773) 848 | Verizon |
| (773) 852 | AT&T |
| (773) 859 | Verizon |
| (773) 860 | AT&T |
| (773) 882 | Verizon |
| (773) 895 | T-Mobile |
| (773) 908 | T-Mobile |
| (773) 909 | Verizon |
| (773) 910 | AT&T |
| (773) 914 | Verizon |
| (773) 919 | Verizon |
| (773) 965 | Verizon |
| (773) 972 | AT&T |
| (773) 988 | T-Mobile |
| (872) 202 | AT&T |
| (872) 225 | Onvoy |
| (872) 825 | AT&T |
| (312) 287 | T-Mobile |
| (773) 219 | T-Mobile |
| (773) 224 | AT&T |
| (773) 231 | Lumen |
| (773) 236 | T-Mobile |
| (773) 241 | AT&T |
| (773) 256 | AT&T |
| (773) 268 | AT&T |
| (773) 285 | AT&T |
| (773) 288 | AT&T |
| (773) 322 | T-Mobile |
| (773) 324 | AT&T |
| (773) 326 | Lumen |
| (773) 347 | Verizon |
| (773) 358 | Verizon |
| (773) 361 | AT&T |
| (773) 363 | AT&T |
| (773) 371 | AT&T |
| (773) 373 | AT&T |
| (773) 406 | T-Mobile |
| (773) 420 | Teleport Communications America |
| (773) 451 | AT&T |
| (773) 457 | T-Mobile |
| (773) 483 | AT&T |
| (773) 484 | Verizon |
| (773) 487 | AT&T |
| (773) 488 | AT&T |
| (773) 493 | AT&T |
| (773) 496 | Ovation Communications |
| (773) 536 | AT&T |
| (773) 538 | AT&T |
| (773) 548 | AT&T |
| (773) 571 | Verizon |
| (773) 573 | Verizon |
| (773) 595 | T-Mobile |
| (773) 602 | AT&T |
| (773) 624 | AT&T |
| (773) 633 | Verizon |
| (773) 643 | AT&T |
| (773) 651 | AT&T |
| (773) 667 | AT&T |
| (773) 675 | Verizon |
| (773) 684 | AT&T |
| (773) 690 | T-Mobile |
| (773) 702 | AT&T |
| (773) 723 | AT&T |
| (773) 726 | Ovation Communications |
| (773) 729 | Ovation Communications |
| (773) 752 | AT&T |
| (773) 753 | AT&T |
| (773) 783 | AT&T |
| (773) 798 | Verizon |
| (773) 808 | T-Mobile |
| (773) 819 | Onvoy |
| (773) 834 | AT&T |
| (773) 846 | AT&T |
| (773) 851 | T-Mobile |
| (773) 873 | AT&T |
| (773) 874 | AT&T |
| (773) 886 | T-Mobile |
| (773) 891 | Comcast IP Phone |
| (773) 892 | AT&T |
| (773) 896 | Verizon |
| (773) 915 | Global Crossing Local Services |
| (773) 924 | AT&T |
| (773) 926 | AT&T |
| (773) 936 | T-Mobile |
| (773) 947 | AT&T |
| (773) 955 | AT&T |
| (773) 962 | AT&T |
| (773) 966 | Lumen |
| (773) 994 | AT&T |
| (872) 215 | Verizon |
| (872) 724 | T-Mobile |
| (872) 757 | T-Mobile |
| (872) 818 | AT&T |
| (312) 735 | T-Mobile |
| (773) 227 | AT&T |
| (773) 235 | AT&T |
| (773) 244 | AT&T |
| (773) 248 | AT&T |
| (773) 252 | AT&T |
| (773) 269 | AT&T |
| (773) 270 | T-Mobile |
| (773) 276 | AT&T |
| (773) 278 | AT&T |
| (773) 281 | AT&T |
| (773) 289 | Verizon |
| (773) 292 | AT&T |
| (773) 296 | AT&T |
| (773) 325 | AT&T |
| (773) 327 | AT&T |
| (773) 328 | First Communications |
| (773) 342 | AT&T |
| (773) 348 | AT&T |
| (773) 360 | Lumen |
| (773) 384 | AT&T |
| (773) 388 | AT&T |
| (773) 394 | AT&T |
| (773) 395 | AT&T |
| (773) 404 | AT&T |
| (773) 435 | Verizon |
| (773) 472 | AT&T |
| (773) 477 | AT&T |
| (773) 486 | AT&T |
| (773) 489 | AT&T |
| (773) 524 | Lumen |
| (773) 525 | AT&T |
| (773) 528 | AT&T |
| (773) 529 | AT&T |
| (773) 537 | First Communications |
| (773) 543 | T-Mobile |
| (773) 549 | AT&T |
| (773) 572 | Lumen |
| (773) 598 | Mcimetro Access Transmission Services |
| (773) 645 | AT&T |
| (773) 661 | Ovation Communications |
| (773) 665 | AT&T |
| (773) 666 | Bandwidth |
| (773) 687 | Teleport Communications America |
| (773) 697 | Ovation Communications |
| (773) 698 | T-Mobile |
| (773) 747 | T-Mobile |
| (773) 755 | AT&T |
| (773) 770 | Ovation Communications |
| (773) 772 | AT&T |
| (773) 782 | AT&T |
| (773) 799 | Verizon |
| (773) 829 | Lumen |
| (773) 832 | AT&T |
| (773) 837 | T-Mobile |
| (773) 839 | Onvoy |
| (773) 857 | RCN Telecom Services Of Illinios |
| (773) 862 | AT&T |
| (773) 868 | AT&T |
| (773) 871 | AT&T |
| (773) 880 | AT&T |
| (773) 883 | AT&T |
| (773) 888 | Bandwidth |
| (773) 904 | Lumen |
| (773) 929 | AT&T |
| (773) 935 | AT&T |
| (773) 938 | Global Crossing Local Services |
| (773) 969 | T-Mobile |
| (773) 975 | AT&T |
| (872) 206 | Comcast IP Phone |
| (872) 588 | AT&T |
| (872) 829 | Onvoy |
| (708) 320 | Ovation Communications |
| (708) 831 | Bandwidth |
| (708) 867 | AT&T |
| (708) 887 | Verizon |
| (708) 967 | Comcast IP Phone |
| (773) 202 | AT&T |
| (773) 205 | AT&T |
| (773) 209 | T-Mobile |
| (773) 220 | T-Mobile |
| (773) 225 | T-Mobile |
| (773) 230 | AT&T |
| (773) 243 | Verizon |
| (773) 251 | AT&T |
| (773) 255 | AT&T |
| (773) 263 | T-Mobile |
| (773) 272 | Verizon |
| (773) 282 | AT&T |
| (773) 283 | AT&T |
| (773) 286 | AT&T |
| (773) 294 | AT&T |
| (773) 297 | T-Mobile |
| (773) 301 | T-Mobile |
| (773) 304 | Verizon |
| (773) 314 | Verizon |
| (773) 318 | Verizon |
| (773) 329 | AT&T |
| (773) 331 | Mcimetro Access Transmission Services |
| (773) 332 | Verizon |
| (773) 353 | Lumen |
| (773) 355 | Ovation Communications |
| (773) 367 | T-Mobile |
| (773) 368 | T-Mobile |
| (773) 372 | Verizon |
| (773) 380 | AT&T |
| (773) 383 | AT&T |
| (773) 398 | T-Mobile |
| (773) 399 | AT&T |
| (773) 403 | T-Mobile |
| (773) 407 | T-Mobile |
| (773) 412 | T-Mobile |
| (773) 414 | T-Mobile |
| (773) 418 | T-Mobile |
| (773) 425 | T-Mobile |
| (773) 426 | T-Mobile |
| (773) 427 | AT&T |
| (773) 430 | T-Mobile |
| (773) 431 | AT&T |
| (773) 439 | RCN Telecom Services Of Illinios |
| (773) 441 | AT&T |
| (773) 444 | AT&T |
| (773) 454 | T-Mobile |
| (773) 456 | AT&T |
| (773) 458 | Mcimetro Access Transmission Services |
| (773) 467 | AT&T |
| (773) 481 | AT&T |
| (773) 490 | AT&T |
| (773) 491 | T-Mobile |
| (773) 494 | T-Mobile |
| (773) 499 | T-Mobile |
| (773) 501 | T-Mobile |
| (773) 507 | T-Mobile |
| (773) 510 | T-Mobile |
| (773) 527 | Lumen |
| (773) 531 | T-Mobile |
| (773) 540 | T-Mobile |
| (773) 545 | AT&T |
| (773) 551 | AT&T |
| (773) 554 | T-Mobile |
| (773) 556 | T-Mobile |
| (773) 557 | Ovation Communications |
| (773) 558 | Verizon |
| (773) 562 | T-Mobile |
| (773) 567 | T-Mobile |
| (773) 569 | AT&T |
| (773) 575 | AT&T |
| (773) 577 | Ovation Communications |
| (773) 580 | AT&T |
| (773) 592 | T-Mobile |
| (773) 594 | AT&T |
| (773) 606 | T-Mobile |
| (773) 610 | AT&T |
| (773) 619 | T-Mobile |
| (773) 620 | AT&T |
| (773) 621 | T-Mobile |
| (773) 628 | Teleport Communications America |
| (773) 630 | AT&T |
| (773) 631 | AT&T |
| (773) 632 | Mcimetro Access Transmission Services |
| (773) 641 | T-Mobile |
| (773) 642 | T-Mobile |
| (773) 647 | T-Mobile |
| (773) 653 | Ovation Communications |
| (773) 655 | T-Mobile |
| (773) 657 | T-Mobile |
| (773) 663 | T-Mobile |
| (773) 677 | AT&T |
| (773) 678 | T-Mobile |
| (773) 680 | AT&T |
| (773) 682 | Verizon |
| (773) 683 | AT&T |
| (773) 685 | AT&T |
| (773) 693 | AT&T |
| (773) 695 | AT&T |
| (773) 699 | T-Mobile |
| (773) 704 | T-Mobile |
| (773) 706 | Verizon |
| (773) 710 | AT&T |
| (773) 712 | AT&T |
| (773) 714 | AT&T |
| (773) 724 | Verizon |
| (773) 725 | AT&T |
| (773) 732 | T-Mobile |
| (773) 736 | AT&T |
| (773) 738 | T-Mobile |
| (773) 742 | T-Mobile |
| (773) 746 | T-Mobile |
| (773) 749 | T-Mobile |
| (773) 750 | AT&T |
| (773) 756 | Verizon |
| (773) 763 | AT&T |
| (773) 766 | Verizon |
| (773) 774 | AT&T |
| (773) 775 | AT&T |
| (773) 777 | AT&T |
| (773) 791 | AT&T |
| (773) 792 | AT&T |
| (773) 793 | T-Mobile |
| (773) 794 | AT&T |
| (773) 803 | T-Mobile |
| (773) 812 | AT&T |
| (773) 814 | T-Mobile |
| (773) 817 | T-Mobile |
| (773) 824 | Teleport Communications America |
| (773) 844 | AT&T |
| (773) 849 | Verizon |
| (773) 850 | Verizon |
| (773) 853 | T-Mobile |
| (773) 864 | AT&T |
| (773) 867 | AT&T |
| (773) 870 | AT&T |
| (773) 885 | T-Mobile |
| (773) 899 | Verizon |
| (773) 930 | T-Mobile |
| (773) 934 | T-Mobile |
| (773) 949 | T-Mobile |
| (773) 951 | Verizon |
| (773) 953 | T-Mobile |
| (773) 957 | Ovation Communications |
| (773) 960 | T-Mobile |
| (773) 963 | T-Mobile |
| (773) 968 | T-Mobile |
| (773) 984 | T-Mobile |
| (773) 990 | AT&T |
| (773) 991 | T-Mobile |
| (773) 993 | T-Mobile |
| (872) 222 | AT&T |
| (872) 223 | T-Mobile |
| (872) 240 | Verizon |
| (872) 304 | Onvoy |
| (872) 333 | T-Mobile |
| (872) 400 | AT&T |
| (773) 217 | AT&T |
| (773) 221 | AT&T |
| (773) 336 | First Communications |
| (773) 356 | AT&T |
| (773) 359 | Verizon |
| (773) 364 | Ovation Communications |
| (773) 374 | AT&T |
| (773) 375 | AT&T |
| (773) 382 | Ovation Communications |
| (773) 389 | Verizon |
| (773) 449 | RCN Telecom Services Of Illinios |
| (773) 530 | Comcast IP Phone |
| (773) 646 | AT&T |
| (773) 721 | AT&T |
| (773) 731 | AT&T |
| (773) 734 | AT&T |
| (773) 768 | AT&T |
| (773) 902 | Global Crossing Local Services |
| (773) 913 | Lumen |
| (773) 933 | AT&T |
| (773) 967 | Verizon |
| (773) 978 | AT&T |
| (872) 221 | Bandwidth |
| (872) 228 | AT&T |
| (773) 234 | Bandwidth |
| (773) 242 | AT&T |
| (773) 247 | AT&T |
| (773) 254 | AT&T |
| (773) 257 | AT&T |
| (773) 265 | AT&T |
| (773) 277 | AT&T |
| (773) 280 | T-Mobile |
| (773) 321 | Lumen |
| (773) 346 | Verizon |
| (773) 376 | AT&T |
| (773) 475 | Teleport Communications America |
| (773) 521 | AT&T |
| (773) 522 | AT&T |
| (773) 523 | AT&T |
| (773) 533 | AT&T |
| (773) 534 | AT&T |
| (773) 535 | AT&T |
| (773) 542 | AT&T |
| (773) 553 | AT&T |
| (773) 565 | First Communications |
| (773) 579 | AT&T |
| (773) 584 | Mcimetro Access Transmission Services |
| (773) 638 | AT&T |
| (773) 650 | AT&T |
| (773) 674 | AT&T |
| (773) 696 | Ovation Communications |
| (773) 715 | T-Mobile |
| (773) 722 | AT&T |
| (773) 733 | Ovation Communications |
| (773) 744 | T-Mobile |
| (773) 762 | AT&T |
| (773) 822 | T-Mobile |
| (773) 823 | AT&T |
| (773) 826 | AT&T |
| (773) 827 | T-Mobile |
| (773) 843 | AT&T |
| (773) 847 | AT&T |
| (773) 869 | AT&T |
| (773) 890 | AT&T |
| (773) 893 | Verizon |
| (773) 916 | T-Mobile |
| (773) 920 | Global Crossing Local Services |
| (773) 927 | AT&T |
| (773) 940 | Comcast IP Phone |
| (872) 205 | Bandwidth |
| (773) 226 | T-Mobile |
| (773) 233 | AT&T |
| (773) 238 | AT&T |
| (773) 239 | AT&T |
| (773) 240 | T-Mobile |
| (773) 253 | Teleport Communications America |
| (773) 264 | AT&T |
| (773) 291 | AT&T |
| (773) 298 | AT&T |
| (773) 310 | T-Mobile |
| (773) 319 | T-Mobile |
| (773) 341 | First Communications |
| (773) 344 | Verizon |
| (773) 366 | T-Mobile |
| (773) 387 | T-Mobile |
| (773) 396 | Ovation Communications |
| (773) 429 | AT&T |
| (773) 440 | T-Mobile |
| (773) 445 | AT&T |
| (773) 468 | AT&T |
| (773) 474 | Ovation Communications |
| (773) 546 | AT&T |
| (773) 563 | T-Mobile |
| (773) 568 | AT&T |
| (773) 574 | T-Mobile |
| (773) 600 | T-Mobile |
| (773) 603 | T-Mobile |
| (773) 609 | YMAX Communications |
| (773) 615 | T-Mobile |
| (773) 629 | T-Mobile |
| (773) 656 | T-Mobile |
| (773) 660 | AT&T |
| (773) 672 | T-Mobile |
| (773) 679 | T-Mobile |
| (773) 701 | T-Mobile |
| (773) 703 | AT&T |
| (773) 707 | AT&T |
| (773) 727 | T-Mobile |
| (773) 779 | AT&T |
| (773) 785 | AT&T |
| (773) 787 | Verizon |
| (773) 816 | T-Mobile |
| (773) 821 | AT&T |
| (773) 840 | Ovation Communications |
| (773) 881 | AT&T |
| (773) 901 | AT&T |
| (773) 928 | AT&T |
| (773) 931 | T-Mobile |
| (773) 941 | T-Mobile |
| (773) 946 | Lumen |
| (773) 954 | T-Mobile |
| (773) 964 | T-Mobile |
| (773) 971 | T-Mobile |
| (773) 979 | T-Mobile |
| (773) 983 | T-Mobile |
| (773) 987 | First Communications |
| (773) 995 | AT&T |
| (872) 234 | T-Mobile |
| (872) 356 | Onvoy |
| (872) 395 | AT&T |
| (872) 703 | T-Mobile |
| (872) 760 | Peerless Network |
| (773) 229 | AT&T |
| (773) 245 | Bandwidth |
| (773) 284 | AT&T |
| (773) 306 | AT&T |
| (773) 340 | YMAX Communications |
| (773) 349 | Verizon |
| (773) 424 | Teleport Communications America |
| (773) 432 | First Communications |
| (773) 434 | AT&T |
| (773) 436 | AT&T |
| (773) 470 | Verizon |
| (773) 471 | AT&T |
| (773) 476 | AT&T |
| (773) 498 | Teleport Communications America |
| (773) 526 | Ovation Communications |
| (773) 581 | AT&T |
| (773) 582 | AT&T |
| (773) 585 | AT&T |
| (773) 586 | AT&T |
| (773) 627 | Ovation Communications |
| (773) 735 | AT&T |
| (773) 737 | AT&T |
| (773) 767 | AT&T |
| (773) 776 | AT&T |
| (773) 778 | AT&T |
| (773) 780 | T-Mobile |
| (773) 788 | AT&T |
| (773) 789 | RCN Telecom Services Of Illinios |
| (773) 838 | AT&T |
| (773) 863 | AT&T |
| (773) 875 | T-Mobile |
| (773) 884 | AT&T |
| (773) 912 | Global Crossing Local Services |
| (773) 918 | AT&T |
| (773) 925 | AT&T |
| (773) 939 | T-Mobile |
| (872) 207 | Bandwidth |
| (872) 209 | T-Mobile |
| (773) 237 | AT&T |
| (773) 261 | AT&T |
| (773) 287 | AT&T |
| (773) 309 | Windstream |
| (773) 345 | Verizon |
| (773) 378 | AT&T |
| (773) 379 | AT&T |
| (773) 385 | AT&T |
| (773) 413 | AT&T |
| (773) 417 | Comcast IP Phone |
| (773) 466 | Verizon |
| (773) 589 | AT&T |
| (773) 622 | AT&T |
| (773) 625 | AT&T |
| (773) 626 | AT&T |
| (773) 637 | AT&T |
| (773) 664 | Ovation Communications |
| (773) 669 | Bandwidth |
| (773) 673 | Ovation Communications |
| (773) 688 | RCN Telecom Services Of Illinios |
| (773) 745 | AT&T |
| (773) 786 | Ovation Communications |
| (773) 797 | Lumen |
| (773) 804 | AT&T |
| (773) 830 | Verizon |
| (773) 836 | AT&T |
| (773) 854 | AT&T |
| (773) 887 | Verizon |
| (773) 889 | AT&T |
| (773) 921 | AT&T |
| (773) 922 | Global Crossing Local Services |
| (773) 945 | Peerless Network |
| (773) 999 | AT&T |
| (872) 256 | Bandwidth |
| (773) 249 | Lumen |
| (773) 377 | Teleport Communications America |
| (773) 462 | AT&T |
| (773) 482 | Ovation Communications |
| (773) 570 | Lumen |
| (773) 601 | AT&T |
| (773) 686 | AT&T |
| (773) 741 | AT&T |
| (773) 831 | Lumen |
| (773) 894 | AT&T |
| (773) 906 | Global Crossing Local Services |
| (773) 250 | Verizon |
| (773) 262 | AT&T |
| (773) 267 | AT&T |
| (773) 271 | AT&T |
| (773) 273 | AT&T |
| (773) 274 | AT&T |
| (773) 275 | AT&T |
| (773) 279 | AT&T |
| (773) 290 | Lumen |
| (773) 293 | AT&T |
| (773) 303 | Verizon |
| (773) 333 | American Messaging Services |
| (773) 334 | AT&T |
| (773) 338 | AT&T |
| (773) 381 | AT&T |
| (773) 410 | T-Mobile |
| (773) 423 | Verizon |
| (773) 433 | T-Mobile |
| (773) 442 | Mcimetro Access Transmission Services |
| (773) 463 | AT&T |
| (773) 465 | AT&T |
| (773) 478 | AT&T |
| (773) 506 | AT&T |
| (773) 508 | AT&T |
| (773) 509 | AT&T |
| (773) 516 | Airus |
| (773) 539 | AT&T |
| (773) 541 | Global Crossing Local Services |
| (773) 561 | AT&T |
| (773) 564 | Teleport Communications America |
| (773) 583 | AT&T |
| (773) 588 | AT&T |
| (773) 596 | Ovation Communications |
| (773) 604 | AT&T |
| (773) 654 | Ovation Communications |
| (773) 681 | Verizon |
| (773) 728 | AT&T |
| (773) 739 | T-Mobile |
| (773) 743 | AT&T |
| (773) 751 | Verizon |
| (773) 754 | Comcast IP Phone |
| (773) 761 | AT&T |
| (773) 764 | AT&T |
| (773) 769 | AT&T |
| (773) 784 | AT&T |
| (773) 796 | Lumen |
| (773) 800 | Lumen |
| (773) 807 | T-Mobile |
| (773) 828 | Lumen |
| (773) 856 | RCN Telecom Services Of Illinios |
| (773) 858 | T-Mobile |
| (773) 865 | T-Mobile |
| (773) 866 | AT&T |
| (773) 878 | AT&T |
| (773) 897 | Peerless Network |
| (773) 907 | AT&T |
| (773) 943 | T-Mobile |
| (773) 944 | RCN Telecom Services Of Illinios |
| (773) 961 | AT&T |
| (773) 973 | AT&T |
| (773) 977 | Ovation Communications |
| (773) 989 | AT&T |
| (872) 203 | Bandwidth |
| (872) 216 | Bandwidth |
| (872) 235 | T-Mobile |
| (872) 241 | Teleport Communications America |
| (872) 529 | Peerless Network |
| (872) 806 | T-Mobile |
| (872) 888 | Verizon |
| (872) 999 | Onvoy |
Carrier names have been updated from their original FCC assignments to reflect current companies following mergers, acquisitions, and rebranding. Updates were determined using AI-assisted research and may not be accurate or reflect up to date changes. This data is provided without warranties of accuracy or completeness.