The 925 Area Code (or Area Code 925) is located in the state of CA. Area Code 925 is one of the 269 3-digit telephone area codes in the USA. It covers roughly 1.26 million unique phone numbers and 3.92 million individuals near the city of Pleasanton
Area code 925 was put into service. Area code 925 was created from a split of area code 510.
Antioch, Brentwood, Clayton, Concord, Danville, Fremont, Hayward, Lafayette, Livermore, Martinez, Moraga, Oakland, Oakley, Orinda, Pittsburg, Pleasanton, San Ramon, Sunol, Walnut Creek.
| PREFIX | COUNTY | CITY | CARRIER | TYPE |
|---|---|---|---|---|
| 925-553 | Contra Costa | Danville | Xo California, Inc. | Landline |
| 925-556 | Contra Costa | San Ramon | Pacific Bell | Landline |
| 925-557 | Contra Costa | San Ramon | Mci Worldcom Communications, Inc., CA | Landline |
| 925-558 | Contra Costa | San Ramon | Xo California, Inc. | Landline |
| 925-560 | Contra Costa | San Ramon | Pacific Bell | Landline |
| 925-565 | Contra Costa | Antioch | Metro Pcs, Inc. | Wireless |
| 925-566 | Contra Costa | Concord | At&t Local | Landline |
| 925-567 | Contra Costa | Clayton | Sprint Spectrum L.p. | Wireless |
| 925-568 | Alameda | Sunol | Teleport Communications Group - San Francisco | Landline |
| 925-570 | Contra Costa | San Ramon | Sprint Spectrum L.p. | Wireless |
| 925-571 | Contra Costa | San Ramon | North County Communications Corp. - CA | Landline |
| 925-572 | Alameda | Pleasanton | North County Communications Corp. - CA | Landline |
| 925-573 | Contra Costa | Pittsburg | North County Communications Corp. - CA | Landline |
| 925-574 | Contra Costa | San Ramon | U.s. Telepacific Corp. - CA | Landline |
| 925-575 | Contra Costa | Danville | Sprint Spectrum L.p. | Wireless |
| 925-577 | Contra Costa | San Ramon | T-Mobile Usa, Inc. | Wireless |
| 925-579 | Alameda | Livermore | Allegiance Telecom, Inc. - CA | Landline |
| 925-580 | Alameda | Pleasanton | Sprint Spectrum L.p. | Wireless |
| 925-583 | Alameda | Livermore | U.s. Telepacific Corp. - CA | Landline |
| 925-584 | Contra Costa | Antioch | Sprint Spectrum L.p. | Wireless |
| 925-585 | Contra Costa | Concord | American Messaging Services, Llc | Wireless |
| 925-586 | Contra Costa | Concord | Cellco Partnership Dba Verizon Wireless - CA | Wireless |
| 925-587 | Contra Costa | San Ramon | Mpower Communications Corp - CA | Landline |
| 925-588 | Contra Costa | Walnut Creek | Mpower Communications Corp - CA | Wireless |
| 925-592 | Contra Costa | Walnut Creek | Mpower Communications Corp - CA | Landline |
| 925-594 | Contra Costa | Danville | Metro Pcs, Inc. | Wireless |
| 925-595 | Contra Costa | Concord | Sprint Spectrum L.p. | Wireless |
| 925-596 | Alameda | Pleasanton | Cellco Partnership Dba Verizon Wireless - CA | Wireless |
| 925-597 | Contra Costa | Pittsburg | Cellco Partnership Dba Verizon Wireless - CA | Wireless |
| 925-598 | Alameda | Pleasanton | Pacific Bell | Wireless |
| 925-600 | Alameda | Pleasanton | Pacific Bell | Landline |
| 925-602 | Contra Costa | Concord | Pacific Bell | Landline |
| 925-603 | Contra Costa | Concord | Pacific Bell | Landline |
| 925-605 | Alameda | Livermore | Matrix Telecom, Llc. Sii Tnci - CA | Landline |
| 925-606 | Alameda | Livermore | Pacific Bell | Landline |
| 925-608 | Contra Costa | Martinez | Broadwing Communications, Llc - CA | Landline |
| 925-609 | Contra Costa | Concord | Pacific Bell | Landline |
| 925-621 | Alameda | Pleasanton | U.s. Telepacific Corp. - CA | Landline |
| 925-623 | Alameda | Pleasanton | Sprint Spectrum L.p. | Wireless |
| 925-625 | Contra Costa | Oakley | Pacific Bell | Landline |
| 925-626 | Contra Costa | Brentwood | Mcimetro Access Transmission Services Llc | Landline |
| 925-627 | Contra Costa | Walnut Creek | U.s. Telepacific Corp. - CA | Landline |
| 925-628 | Contra Costa | Antioch | Cellco Partnership Dba Verizon Wireless - CA | Wireless |
| 925-631 | Contra Costa | Moraga | Pacific Bell | Landline |
| 925-634 | Contra Costa | Brentwood | Pacific Bell | Landline |
| 925-635 | Contra Costa | Pittsburg | Teleport Communications Group - San Francisco | Landline |
| 925-639 | Contra Costa | Walnut Creek | T-Mobile Usa, Inc. | Wireless |
| 925-640 | Contra Costa | San Ramon | New Cingular Wireless Pcs, Llc | Wireless |
| 925-642 | Contra Costa | Antioch | New Cingular Wireless Pcs, Llc | Wireless |
| 925-643 | Contra Costa | Pittsburg | U.s. Telepacific Corp. - CA | Landline |
| 925-646 | Contra Costa | Concord | Pacific Bell | Landline |
| 925-648 | Contra Costa | Danville | Pacific Bell | Landline |
| 925-658 | Contra Costa | Walnut Creek | Teleport Communications Group - San Francisco | Landline |
| 925-659 | Contra Costa | San Ramon | Teleport Communications Group - San Francisco | Landline |
| 925-660 | Alameda | Pleasanton | Level 3 Telecom Of California, Lp - CA | Landline |
| 925-663 | Alameda | Sunol | Matrix Telecom, Llc. Sii Tnci - CA | Landline |
| 925-664 | Contra Costa | Pittsburg | Matrix Telecom, Llc. Sii Tnci - CA | Landline |
| 925-665 | Contra Costa | Pittsburg | Matrix Telecom, Llc. Sii Tnci - CA | Landline |
| 925-666 | Contra Costa | Brentwood | Matrix Telecom, Llc. Sii Tnci - CA | Landline |
| 925-667 | Alameda | Livermore | U.s. Telepacific Corp. - CA | Landline |
| 925-671 | Contra Costa | Concord | Pacific Bell | Landline |
| 925-672 | Contra Costa | Clayton | Pacific Bell | Landline |
| 925-673 | Contra Costa | Clayton | Pacific Bell | Landline |
| 925-674 | Contra Costa | Concord | Pacific Bell | Landline |
| 925-675 | Contra Costa | Concord | Pacific Bell | Landline |
| 925-676 | Contra Costa | Concord | Pacific Bell | Landline |
| 925-677 | Contra Costa | Concord | Pacific Bell | Landline |
| 925-678 | Contra Costa | Danville | U.s. Telepacific Corp. - CA | Landline |
| 925-679 | Contra Costa | Oakley | Pacific Bell | Landline |
| 925-680 | Contra Costa | Concord | Pacific Bell | Landline |
| Phone Number 925-232-1423 |
USAGE Landline |
City Pittsburg |
Operate Read more about who called from 9252321423 |
Update Time Mar-26-2026 |
| Phone Number 925-678-5585 |
USAGE Landline |
City Danville |
Operate Read more about who called from 9256785585 |
Update Time Mar-26-2026 |
| Phone Number 925-307-5895 |
USAGE Landline |
City San Ramon |
Operate Read more about who called from 9253075895 |
Update Time Mar-26-2026 |
| Phone Number 925-482-7247 |
USAGE Landline |
City Walnut Creek |
Operate Read more about who called from 9254827247 |
Update Time Mar-26-2026 |
| Phone Number 925-361-2225 |
USAGE Landline |
City San Ramon |
Operate Read more about who called from 9253612225 |
Update Time Mar-26-2026 |
| Phone Number 925-891-7343 |
USAGE Landline |
City Oakland |
Operate Read more about who called from 9258917343 |
Update Time Mar-26-2026 |
| Phone Number 925-332-4738 |
USAGE Landline |
City Concord |
Operate Read more about who called from 9253324738 |
Update Time Mar-26-2026 |
| Phone Number 925-318-6878 |
USAGE Landline |
City Walnut Creek |
Operate Read more about who called from 9253186878 |
Update Time Mar-26-2026 |
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