Find out who called from that unknown Cambridge number using our free reverse phone lookup service. Enter the full 10-digit number (including 857 and 617 or any other US area code) to search for available caller information including name, address, phone carrier, and more.
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Cambridge area codes are 617, 857.
Phone numbers reported as unwanted calls to the FTC by Cambridge residents in the last 30 days.
(617) 324-8853
Calls pretending to be government, businesses, or family and friends
1 report ·
(609) 657-1376
Reducing your debt (credit cards, mortgage, student loans)
1 report ·
(708) 972-1963
Other
1 report ·
(502) 273-2370
Other
1 report ·
(434) 253-2143
Reducing your debt (credit cards, mortgage, student loans)
1 report ·
(617) 927-1878
Other
1 report ·
(617) 481-6307
Other
1 report ·
(617) 300-8303
Other
1 report ·
(601) 373-7540
Calls pretending to be government, businesses, or family and friends
1 report ·
(855) 550-5390
Reducing your debt (credit cards, mortgage, student loans)
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 CAMBRIDGE rate center. Filter by phone number prefix or carrier name.
| Prefix | Carrier |
|---|---|
| (617) 201 | T-Mobile |
| (617) 216 | T-Mobile |
| (617) 218 | TC Systems |
| (617) 225 | Verizon |
| (617) 229 | Mcimetro Access Transmission Services |
| (617) 230 | T-Mobile |
| (617) 233 | T-Mobile |
| (617) 234 | Verizon |
| (617) 245 | Global Crossing Local Services |
| (617) 250 | TC Systems |
| (617) 252 | Verizon |
| (617) 253 | Verizon |
| (617) 256 | T-Mobile |
| (617) 258 | Verizon |
| (617) 290 | T-Mobile |
| (617) 299 | Mcimetro Access Transmission Services |
| (617) 300 | AT&T |
| (617) 301 | AT&T |
| (617) 308 | T-Mobile |
| (617) 324 | Verizon |
| (617) 335 | AT&T |
| (617) 339 | Verizon |
| (617) 349 | Verizon |
| (617) 354 | Verizon |
| (617) 359 | T-Mobile |
| (617) 374 | Verizon |
| (617) 384 | Verizon |
| (617) 386 | AT&T |
| (617) 388 | T-Mobile |
| (617) 395 | Lumen |
| (617) 397 | AT&T |
| (617) 401 | Lumen |
| (617) 417 | AT&T |
| (617) 441 | Verizon |
| (617) 444 | Verizon |
| (617) 452 | Verizon |
| (617) 453 | Bandwidth |
| (617) 460 | AT&T |
| (617) 475 | Mcimetro Access Transmission Services |
| (617) 491 | Verizon |
| (617) 492 | Verizon |
| (617) 493 | Verizon |
| (617) 494 | Verizon |
| (617) 495 | Verizon |
| (617) 496 | Verizon |
| (617) 497 | Verizon |
| (617) 498 | Verizon |
| (617) 499 | Verizon |
| (617) 500 | Lumen |
| (617) 520 | Verizon |
| (617) 528 | TC Systems |
| (617) 547 | Verizon |
| (617) 551 | Verizon |
| (617) 575 | Verizon |
| (617) 576 | Verizon |
| (617) 577 | Verizon |
| (617) 588 | Mcimetro Access Transmission Services |
| (617) 599 | Verizon |
| (617) 621 | Verizon |
| (617) 642 | T-Mobile |
| (617) 649 | XO Massachusets |
| (617) 661 | Verizon |
| (617) 665 | Verizon |
| (617) 674 | DSCI |
| (617) 679 | Verizon |
| (617) 682 | YMAX Communications |
| (617) 710 | AT&T |
| (617) 714 | Mcimetro Access Transmission Services |
| (617) 715 | Paetec Communications |
| (617) 758 | Broadview Networks |
| (617) 761 | Verizon |
| (617) 768 | Verizon |
| (617) 800 | RCN Telecom Services |
| (617) 802 | Verizon |
| (617) 803 | AT&T |
| (617) 806 | Verizon |
| (617) 821 | T-Mobile |
| (617) 844 | CTC Communications |
| (617) 852 | AT&T |
| (617) 864 | Verizon |
| (617) 866 | Verizon |
| (617) 868 | Verizon |
| (617) 871 | Conversent Communications |
| (617) 873 | Verizon |
| (617) 876 | Verizon |
| (617) 899 | AT&T |
| (617) 902 | Broadview Networks |
| (617) 909 | AT&T |
| (617) 914 | Verizon |
| (617) 945 | Comcast IP Phone |
| (617) 949 | Verizon |
| (617) 955 | AT&T |
| (617) 995 | XO Massachusets |
| (617) 998 | Verizon |
| (617) 999 | AT&T |
| (857) 242 | DSCI |
| (857) 253 | Broadview Networks |
| (857) 259 | AT&T |
| (857) 285 | Paetec Communications |
| (857) 320 | T-Mobile |
| (857) 500 | Verizon |
| (857) 600 | Bandwidth |
| (857) 756 | MetTel |
| (857) 757 | Wide Voice |
| (857) 829 | T-Mobile |
| (857) 928 | T-Mobile |
| (857) 998 | 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.