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Fremont, CA Area Code
Fremont, California (population 226,442) uses area code 925.
Fremont has no telephone exchange of its own in NANPA records; it is served by the Sunol exchange about 11.5 km away.
Carriers with Fremont numbers
9 prefixes are assigned to the Sunol exchange: 22% mobile, 33% VoIP and cable, 44% landline.
| Carrier | Prefixes |
|---|---|
| Lumen (Level 3) | 1 |
| T-Mobile | 1 |
| AT&T (Teleport) | 1 |
| Matrix Telecom. S/I/I Tnci | 1 |
| Verizon Wireless | 1 |
| Tpx Communications | 1 |
| Onvoy (Sinch) | 1 |
| AT&T (Pacific Bell) | 1 |
Area codes used in Fremont
| Area code | Prefixes serving Fremont | Main carriers in this code |
|---|---|---|
| 925 | 9 | AT&T (Pacific Bell), AT&T Mobility, Verizon Business (MCImetro) |
Fremont phone number prefixes
Numbers starting with these first six digits were originally assigned to the Sunol exchange.
925-233Lumen (Level 3)925-319T-Mobile925-568AT&T (Teleport)925-663Matrix Telecom. S/I/I Tnci925-789Verizon Wireless925-835Tpx Communications925-860Onvoy (Sinch)925-862AT&T (Pacific Bell)925-990Utility Telecom Group
Nearby cities in area code 925
- Concord
- Antioch
- San Ramon
- Livermore
- Pittsburg
- Pleasanton
- Dublin
- Walnut Creek
- Brentwood
- Oakley
- Danville
- Martinez
Questions
- What is the area code for Fremont, CA?
- The area code for Fremont, California is 925.
- What time zone is Fremont in?
- Fremont is in the Pacific time zone.