(650) 231
Prefix in MILLBRAE, California
Prefix Details
| Area Code | 650 |
| Prefix | 231 |
| Full Number Pattern | (650) 231-XXXX |
| Rate Center | MILLBRAE |
| State | California |
| Operating Company | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| Time Zone | Pacific (PT, UTC-8) |
About the (650) 231 Prefix
The (650) 231 prefix is assigned to MCIMETRO ACCESS TRANSMISSION SERVICES LLC and serves the MILLBRAE rate center in California. Phone numbers with this prefix are in the Pacific Time Zone and are part of area code 650 which covers San Mateo and surrounding areas.