(510) 274
Prefix in HAYWARD, California
Prefix Details
| Area Code | 510 |
| Prefix | 274 |
| Full Number Pattern | (510) 274-XXXX |
| Rate Center | HAYWARD |
| State | California |
| Operating Company | UTILITY TELECOM GROUP, LLC - CA |
| Time Zone | Pacific (PT, UTC-8) |
About the (510) 274 Prefix
The (510) 274 prefix is assigned to UTILITY TELECOM GROUP, LLC - CA and serves the HAYWARD rate center in California. Phone numbers with this prefix are in the Pacific Time Zone and are part of area code 510 which covers Oakland and surrounding areas.