There are 638 phone number prefixes within area code 925. Additionally, there are more than 800 phone numbers in this area code that have received at least one user report. The location of calls from area code 925 is California, USA. Most numbers in this area code are in US Pacific time, where the time is currently 10:27:03 PM on July 3, 2025.
Choose a phone number from the list below to browse user reports for . You can also use the search box above to search for user reports about any phone number, or to file a report about any phone number.
| Prefix | City / State | Primary Telco |
|---|---|---|
| 925-503 | Antioch, CA | T-mobile Usa, Inc. |
| 925-509 | Bishop Ranch, CA | Usa Mobility Wireless, Inc. |
| 925-510 | Concord, CA | Sprint Spectrum, L.p. |
| 925-511 | California | |
| 925-513 | East Contra Costa, CA | Pacific Bell |
| 925-515 | Concord, CA | Onvoy, Llc - Ca |
| 925-516 | East Contra Costa, CA | Pacific Bell |
| 925-517 | Pittsburg West, CA | O1 Communications, Inc. - Ca |
| 925-518 | Livermore, CA | Sprint Spectrum, L.p. |
| 925-519 | Pleasanton, CA | Cellco Partnership Dba Verizon Wireless - Ca |
| 925-520 | Pleasanton, CA | Pacific Bell |
| 925-521 | Concord, CA | Pacific Bell |
| 925-522 | Antioch, CA | Pacific Bell |
| 925-523 | Pleasanton, CA | Pacific Bell |
| 925-524 | Clayton, CA | Pacific Bell |
| 925-525 | Livermore, CA | Sprint Spectrum, L.p. |
| 925-526 | Pittsburg, CA | Us Telepacific Corp. - Ca |
| 925-527 | Walnut Creek, CA | Utility Telecom Group, Llc - Ca |
| 925-528 | Orinda, CA | Sprint Spectrum, L.p. |
| 925-529 | Antioch, CA | Onvoy, Llc - Ca |
| 925-530 | California | |
| 925-532 | Walnut Creek, CA | Telnyx Llc |
| 925-533 | Livermore, CA | Fractel, Llc |
| 925-534 | Livermore, CA | Level 3 Communications, Llc - Ca |
| 925-535 | Pleasanton, CA | Sprint Spectrum, L.p. |
| 925-536 | Concord, CA | Telnyx Llc |
| 925-537 | Livermore, CA | Ton80 Communications, Llc |
| 925-542 | Walnut Creek, CA | Cellco Partnership Dba Verizon Wireless - Ca |
| 925-543 | Bishop Ranch, CA | Pacific Bell |
| 925-546 | Walnut Creek, CA | Ton80 Communications, Llc |
| 925-548 | Dublin-san Ramon, CA | New Cingular Wireless Pcs, Llc |
| 925-549 | Dublin-san Ramon, CA | New Cingular Wireless Pcs, Llc |
| 925-550 | Antioch, CA | New Cingular Wireless Pcs, Llc |
| 925-551 | Dublin-san Ramon, CA | Pacific Bell |
| 925-552 | Danville, CA | Pacific Bell |
| 925-553 | Danville, CA | Xo California, Inc. |
| 925-555 | California | Pacific Bell |
| 925-556 | Dublin-san Ramon, CA | Pacific Bell |
| 925-557 | Dublin-san Ramon, CA | Mcimetro Access Transmission Services Llc - Ca |
| 925-558 | Dublin-san Ramon, CA | Xo California, Inc. |
| 925-560 | Dublin-san Ramon, CA | Pacific Bell |
| 925-565 | Antioch, CA | Metropcs, Inc. |
| 925-566 | Concord, CA | At&t - Local |
| 925-567 | Clayton, CA | Sprint Spectrum, L.p. |
| 925-568 | Sunol, CA | Teleport Communications America, Llc - Ca |
| 925-570 | Dublin-san Ramon, CA | Sprint Spectrum, L.p. |
| 925-571 | Bishop Ranch, CA | North County Communication Corporation - Ca |
| 925-572 | Pleasanton, CA | North County Communication Corporation - Ca |
| 925-573 | Pittsburg, CA | North County Communication Corporation - Ca |
| 925-574 | Dublin-san Ramon, CA | Us Telepacific Corp. - Ca |
| 925-575 | Danville, CA | Sprint Spectrum, L.p. |
| 925-577 | Dublin-san Ramon, CA | T-mobile Usa, Inc. |
| 925-578 | East Contra Costa, CA | Ton80 Communications, Llc |
| 925-579 | Livermore, CA | Allegiance Telecom, Inc. - Ca |
| 925-580 | Pleasanton, CA | Sprint Spectrum, L.p. |
| 925-583 | Livermore, CA | Us Telepacific Corp. - Ca |
| 925-584 | Antioch, CA | Sprint Spectrum, L.p. |
| 925-586 | Concord, CA | Cellco Partnership Dba Verizon Wireless - Ca |
| 925-587 | Dublin-san Ramon, CA | Mpower Communications Corp. - Ca |
| 925-588 | Walnut Creek, CA | Mpower Communications Corp. - Ca |
| 925-592 | Moraga, CA | Mpower Communications Corp. - Ca |
| 925-594 | Danville, CA | Metropcs, Inc. |
| 925-595 | Concord, CA | Sprint Spectrum, L.p. |
| 925-596 | Pleasanton, CA | Cellco Partnership Dba Verizon Wireless - Ca |
| 925-597 | Pittsburg, CA | Cellco Partnership Dba Verizon Wireless - Ca |
| 925-598 | Pleasanton, CA | Pacific Bell |
| 925-599 | Livermore, CA | Fractel, Llc |
| 925-600 | Pleasanton, CA | Pacific Bell |
| 925-602 | Concord, CA | Pacific Bell |
| 925-603 | Concord, CA | Pacific Bell |
| 925-605 | Livermore, CA | Matrix Telecom, Llc. S/i/i Tnci - Ca |
| 925-606 | Livermore, CA | Pacific Bell |
| 925-608 | Martinez, CA | Level 3 Communications, Llc - Ca |
| 925-609 | Concord, CA | Pacific Bell |
| 925-611 | California | |
| 925-619 | California | |
| 925-621 | Pleasanton, CA | Us Telepacific Corp. - Ca |
| 925-623 | Pleasanton, CA | Sprint Spectrum, L.p. |
| 925-625 | East Contra Costa, CA | Pacific Bell |
| 925-626 | East Contra Costa, CA | Mcimetro Access Transmission Services Llc |
| 925-627 | Walnut Creek, CA | Us Telepacific Corp. - Ca |
| 925-628 | Antioch, CA | Cellco Partnership Dba Verizon Wireless - Ca |
| 925-631 | Moraga, CA | Pacific Bell |
| 925-633 | Concord, CA | Fractel, Llc |
| 925-634 | East Contra Costa, CA | Pacific Bell |
| 925-635 | Pittsburg, CA | Teleport Communications America, Llc - Ca |
| 925-639 | Walnut Creek, CA | T-mobile Usa, Inc. |
| 925-640 | Dublin-san Ramon, CA | New Cingular Wireless Pcs, Llc |
| 925-642 | Antioch, CA | New Cingular Wireless Pcs, Llc |
| 925-643 | Pittsburg West, CA | Us Telepacific Corp. - Ca |
| 925-644 | Concord, CA | Fractel, Llc |
| 925-646 | Concord, CA | Pacific Bell |
| 925-648 | Danville, CA | Pacific Bell |
| 925-650 | California | |
| 925-655 | Concord, CA | Fractel, Llc |
| 925-657 | California | |
| 925-658 | Walnut Creek, CA | Teleport Communications America, Llc - Ca |
| 925-659 | Bishop Ranch, CA | Teleport Communications America, Llc - Ca |
| 925-660 | Pleasanton, CA | Level 3 Telecom Of California, Lp - Ca |
| 925-663 | Sunol, CA | Matrix Telecom, Llc. S/i/i Tnci - Ca |
June 30, 2025