Find out who called from that unknown Berkeley number using our free reverse phone lookup service. Enter the full 10-digit number (including 341 and 510 or any other US area code) to search for available caller information including name, address, phone carrier, and more.
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Phone numbers reported as unwanted calls to the FTC by Berkeley residents in the last 30 days.
(510) 628-8447
Dropped call or no message
2 reports ·
(888) 648-6922
Reducing your debt (credit cards, mortgage, student loans)
2 reports ·
(469) 375-1911
Other
1 report ·
(510) 240-1347
Calls pretending to be government, businesses, or family and friends
1 report ·
(662) 238-5157
Calls pretending to be government, businesses, or family and friends
1 report ·
(706) 803-0719
No Subject Provided
1 report ·
(650) 666-4809
Other
1 report ·
(650) 718-8084
Other
1 report ·
(502) 205-9750
Calls pretending to be government, businesses, or family and friends
1 report ·
(510) 522-3347
Dropped call or no message
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:
2100 Martin Luther King Junior Way, Berkeley, CA 94704-1109
List of prefixes are assigned to OKLD BKLY rate center. Filter by phone number prefix or carrier name.
| Prefix | Carrier |
|---|---|
| (510) 204 | AT&T |
| (510) 225 | Verizon |
| (510) 229 | AT&T |
| (510) 277 | Global Crossing Local Services |
| (510) 280 | Verizon |
| (510) 292 | AT&T |
| (510) 295 | Verizon |
| (510) 356 | AT&T |
| (510) 365 | T-Mobile |
| (510) 416 | North County Communication |
| (510) 423 | Windstream |
| (510) 486 | AT&T |
| (510) 495 | AT&T |
| (510) 524 | AT&T |
| (510) 525 | AT&T |
| (510) 526 | AT&T |
| (510) 527 | AT&T |
| (510) 528 | AT&T |
| (510) 529 | AT&T |
| (510) 540 | AT&T |
| (510) 542 | Verizon |
| (510) 548 | AT&T |
| (510) 549 | AT&T |
| (510) 558 | AT&T |
| (510) 559 | AT&T |
| (510) 570 | T-Mobile |
| (510) 631 | AT&T |
| (510) 642 | AT&T |
| (510) 643 | AT&T |
| (510) 644 | AT&T |
| (510) 646 | Bandwidth |
| (510) 647 | AT&T |
| (510) 649 | AT&T |
| (510) 664 | AT&T |
| (510) 665 | AT&T |
| (510) 666 | AT&T |
| (510) 679 | Verizon |
| (510) 684 | T-Mobile |
| (510) 704 | AT&T |
| (510) 705 | AT&T |
| (510) 717 | T-Mobile |
| (510) 725 | Lumen |
| (510) 809 | TPX Communications |
| (510) 810 | USA Mobility Wireless |
| (510) 812 | T-Mobile |
| (510) 833 | Comcast IP Phone |
| (510) 841 | AT&T |
| (510) 843 | AT&T |
| (510) 845 | AT&T |
| (510) 847 | Verizon |
| (510) 848 | AT&T |
| (510) 849 | AT&T |
| (510) 859 | TPX Communications |
| (510) 868 | Lumen |
| (510) 883 | AT&T |
| (510) 898 | Teleport Communications America |
| (510) 900 | Onvoy |
| (510) 926 | Verizon |
| (510) 944 | T-Mobile |
| (510) 976 | North County Communication |
| (510) 981 | AT&T |
| (510) 982 | Mcimetro Access Transmission Services |
| (510) 984 | Lumen |
| (510) 989 | Integrated Path Communications |
| (510) 993 | T-Mobile |
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.