Find out who called from that unknown Stamford number using our free reverse phone lookup service. Enter the full 10-digit number (including 203 and 475 or any other US area code) to search for available caller information including name, address, phone carrier, and more.
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Stamford area codes are 203, 475.
Phone numbers reported as unwanted calls to the FTC by Stamford residents in the last 30 days.
(203) 814-9343
Reducing your debt (credit cards, mortgage, student loans)
1 report ·
(475) 252-7747
Dropped call or no message
1 report ·
(203) 429-8791
Other
1 report ·
(203) 872-3560
Other
1 report ·
(203) 636-2865
Other
1 report ·
(203) 730-0468
Other
1 report ·
(203) 712-7458
Other
1 report ·
(203) 842-1975
Other
1 report ·
(203) 639-8387
Other
1 report ·
(888) 956-6362
Other
1 report ·
If you receive fraudulent calls or suspect a scam attempt, report it to reportfraud.ftc.gov or local police department using the following contacts:
List of prefixes are assigned to STAMFORD rate center. Filter by phone number prefix or carrier name.
| Prefix | Carrier |
|---|---|
| (203) 219 | AT&T |
| (203) 223 | T-Mobile |
| (203) 249 | Verizon |
| (203) 251 | Frontier |
| (203) 252 | Lightpath |
| (203) 253 | Verizon |
| (203) 273 | Verizon |
| (203) 274 | AT&T |
| (203) 276 | Lightpath |
| (203) 316 | Frontier |
| (203) 321 | Frontier |
| (203) 322 | Frontier |
| (203) 323 | Frontier |
| (203) 324 | Frontier |
| (203) 325 | Frontier |
| (203) 326 | Frontier |
| (203) 327 | Frontier |
| (203) 328 | Frontier |
| (203) 329 | Frontier |
| (203) 348 | Frontier |
| (203) 351 | Frontier |
| (203) 352 | Frontier |
| (203) 353 | Frontier |
| (203) 355 | Lightpath |
| (203) 356 | Frontier |
| (203) 357 | Frontier |
| (203) 358 | Frontier |
| (203) 359 | Frontier |
| (203) 363 | Frontier |
| (203) 388 | Mcimetro Access Transmission Services |
| (203) 391 | Mcimetro Access Transmission Services |
| (203) 399 | Mcimetro Access Transmission Services |
| (203) 406 | Frontier |
| (203) 425 | Frontier |
| (203) 428 | Mcimetro Access Transmission Services |
| (203) 461 | Frontier |
| (203) 462 | Frontier |
| (203) 487 | Global Crossing Local Services |
| (203) 504 | CTC Communications |
| (203) 517 | Lumen |
| (203) 524 | AT&T |
| (203) 536 | Verizon |
| (203) 539 | Frontier |
| (203) 541 | Frontier |
| (203) 547 | Choice One Communications |
| (203) 548 | Lumen |
| (203) 550 | T-Mobile |
| (203) 554 | AT&T |
| (203) 561 | Verizon |
| (203) 564 | AT&T |
| (203) 569 | Lightpath |
| (203) 570 | T-Mobile |
| (203) 585 | Frontier |
| (203) 588 | Lightpath |
| (203) 595 | Frontier |
| (203) 602 | Frontier |
| (203) 609 | Frontier |
| (203) 614 | Frontier |
| (203) 653 | Windstream |
| (203) 658 | Teleport Communications America |
| (203) 667 | T-Mobile |
| (203) 674 | Frontier |
| (203) 703 | Frontier |
| (203) 705 | Mcimetro Access Transmission Services |
| (203) 708 | Frontier |
| (203) 719 | Frontier |
| (203) 724 | Choice One Communications |
| (203) 728 | Frontier |
| (203) 817 | Lightpath |
| (203) 832 | AT&T |
| (203) 883 | Lumen |
| (203) 890 | Frontier |
| (203) 897 | Mcimetro Access Transmission Services |
| (203) 905 | Teleport Communications America |
| (203) 912 | Verizon |
| (203) 914 | Lightpath |
| (203) 918 | AT&T |
| (203) 921 | Frontier |
| (203) 940 | Frontier |
| (203) 961 | Frontier |
| (203) 962 | Frontier |
| (203) 964 | Frontier |
| (203) 965 | Frontier |
| (203) 967 | Frontier |
| (203) 968 | Frontier |
| (203) 969 | Frontier |
| (203) 973 | Frontier |
| (203) 975 | Frontier |
| (203) 977 | Frontier |
| (203) 978 | Frontier |
| (203) 979 | AT&T |
| (203) 989 | Lumen |
| (203) 998 | Lumen |
| (475) 214 | Verizon |
| (475) 232 | Lumen |
| (475) 299 | Verizon |
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.