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 |
|---|---|---|---|---|
| 925-920 | Contra Costa | Walnut Creek | Usa Mobility Wireless, Inc. | Wireless |
| 925-922 | Alameda | Pleasanton | T-Mobile Usa, Inc. | Wireless |
| 925-924 | Alameda | Pleasanton | Pacific Bell | Wireless |
| 925-926 | Contra Costa | Walnut Creek | Pacific Bell | Wireless |
| 925-927 | Contra Costa | Walnut Creek | Pacific Bell | Wireless |
| 925-930 | Contra Costa | Walnut Creek | Pacific Bell | Wireless |
| 925-931 | Alameda | Pleasanton | Pacific Bell | Landline |
| 925-932 | Contra Costa | Walnut Creek | Pacific Bell | Wireless |
| 925-933 | Contra Costa | Walnut Creek | Pacific Bell | Wireless |
| 925-934 | Contra Costa | Walnut Creek | Pacific Bell | Wireless |
| 925-935 | Contra Costa | Walnut Creek | Pacific Bell | Wireless |
| 925-937 | Contra Costa | Walnut Creek | Pacific Bell | Wireless |
| 925-938 | Contra Costa | Walnut Creek | Pacific Bell | Wireless |
| 925-939 | Contra Costa | Walnut Creek | Pacific Bell | Wireless |
| 925-940 | Alameda | Oakland | Matrix Telecom, Llc. Sii Tnci - CA | Landline |
| 925-941 | Contra Costa | Walnut Creek | Pacific Bell | Wireless |
| 925-942 | Contra Costa | Walnut Creek | Pacific Bell | Wireless |
| 925-943 | Contra Costa | Walnut Creek | Pacific Bell | Wireless |
| 925-944 | Contra Costa | Walnut Creek | Pacific Bell | Wireless |
| 925-945 | Contra Costa | Walnut Creek | Pacific Bell | Wireless |
| 925-946 | Contra Costa | Walnut Creek | Pacific Bell | Wireless |
| 925-947 | Contra Costa | Walnut Creek | Pacific Bell | Wireless |
| 925-948 | Contra Costa | Walnut Creek | Mci Worldcom Communications, Inc., CA | Landline |
| 925-949 | Contra Costa | Walnut Creek | Teleport Communications Group - San Francisco | Landline |
| 925-951 | Contra Costa | Walnut Creek | Mcimetro Access Transmission Services Llc | Landline |
| 925-952 | Contra Costa | Walnut Creek | Pacific Bell | Wireless |
| 925-953 | Contra Costa | Walnut Creek | Level 3 Telecom Of California, Lp - CA | Landline |
| 925-954 | Alameda | Oakland | Mpower Communications Corp - CA | Landline |
| 925-955 | Alameda | Oakland | Matrix Telecom, Llc. Sii Tnci - CA | Landline |
| 925-956 | Contra Costa | Walnut Creek | Xo California, Inc. | Landline |
| 925-957 | Contra Costa | Martinez | Pacific Bell | Landline |
| 925-960 | Alameda | Livermore | Pacific Bell | Landline |
| 925-961 | Alameda | Livermore | Pacific Bell | Landline |
| 925-962 | Contra Costa | Lafayette | Pacific Bell | Landline |
| 925-963 | Alameda | Pleasanton | New Cingular Wireless Pcs, Llc | Wireless |
| 925-964 | Contra Costa | Danville | Pacific Bell | Landline |
| 925-965 | Alameda | Pleasanton | At&t Local | Landline |
| 925-967 | Contra Costa | San Ramon | Pacific Bell | Landline |
| 925-968 | Contra Costa | Danville | Pacific Bell | Landline |
| 925-969 | Contra Costa | Concord | Pacific Bell | Landline |
| 925-973 | Contra Costa | San Ramon | Pacific Bell | Landline |
| 925-974 | Contra Costa | Walnut Creek | Pacific Bell | Wireless |
| 925-975 | Contra Costa | Walnut Creek | Pacific Bell | Wireless |
| 925-977 | Contra Costa | Walnut Creek | Pacific Bell | Wireless |
| 925-978 | Contra Costa | Antioch | Pacific Bell | Landline |
| 925-979 | Contra Costa | Walnut Creek | Pacific Bell | Wireless |
| 925-980 | Alameda | Livermore | New Cingular Wireless Pcs, Llc | Wireless |
| 925-983 | Alameda | Hayward | Mci Worldcom Communications, Inc., CA | Landline |
| 925-984 | Contra Costa | Danville | Sprint Spectrum L.p. | Wireless |
| 925-988 | Contra Costa | Walnut Creek | Pacific Bell | Wireless |
| 925-989 | Alameda | Pleasanton | Cellco Partnership Dba Verizon Wireless - CA | Wireless |
| 925-990 | Alameda | Sunol | Utility Telecom Group, Llc - CA | Wireless |
| 925-993 | Contra Costa | Clayton | O1 Communications, Inc. - CA | Landline |
| 925-997 | Contra Costa | San Ramon | New Cingular Wireless Pcs, Llc | Wireless |
| 925-998 | Alameda | Pleasanton | New Cingular Wireless Pcs, Llc | Wireless |
| 925-999 | Contra Costa | San Ramon | O1 Communications, Inc. - CA | 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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