Telephone Area 657
Prefix: +1657
This prefix is distributed within the state California
The largest city in the region is Westminster
Time Zone: Pacific
Winter time: UTC-8
Summer time: UTC-7
Below on the map, there is indicated the largest city in the telephone area +1-657-...-.... California Westminster.
Phone numbers +1-657-YYY-YYYY
| Company | District | Major City | Prefix |
|---|---|---|---|
| Metropcs Networks | Westminster, CA | +1-657200-SSSS | |
| Metropcs Networks | Anaheim, CA | +1-657201-SSSS | |
| Peerless Network Of California | Anaheim, CA | +1-657202-SSSS | |
| Level 3 Communications | Huntington Beach, CA | +1-657203-SSSS | |
| Bandwidth.com Clec | Huntington Beach, CA | +1-657204-SSSS | |
| Mci Worldcom Communications, Ca | Santa Ana, CA | +1-657205-SSSS | |
| T-mobile Usa | Garden Grove, CA | +1-657206-SSSS | |
| Metropcs Networks | Anaheim, CA | +1-657207-SSSS | |
| Infotelecom | Anaheim, CA | +1-657208-SSSS | |
| Bandwidth.com Clec | Santa Ana, CA | +1-657210-SSSS | |
| Level 3 Communications | Santa Ana, CA | +1-657212-SSSS | |
| Bandwidth.com Clec | Cypress, CA | +1-657214-SSSS | |
| Level 3 Communications | Huntington Beach, CA | +1-657215-SSSS | |
| Bandwidth.com Clec | Placentia, CA | +1-657216-SSSS | |
| Cf Communications DBA Telekenex | Cypress, CA | +1-657222-SSSS | |
| Bandwidth.com Clec | Santa Ana, CA | +1-657229-SSSS | |
| Cellco Partnership DBA Verizon Wireless | Anaheim, CA | +1-657269-SSSS | |
| Pacific Bell | Fullerton, CA | +1-657278-SSSS | |
| Telcentris Communications | Orange, CA | +1-657333-SSSS | |
| Telcentris Communications | Placentia, CA | +1-657444-SSSS | |
| Bandwidth.com Clec | Huntington Beach, CA | +1-657464-SSSS | |
| Bandwidth.com Clec | Anaheim, CA | +1-657549-SSSS | |
| Pacific Bell | Santa Ana, CA | +1-657622-SSSS | |
| Cf Communications DBA Telekenex | Long Beach, CA | +1-657666-SSSS | |
| Telcentris Communications | Cypress, CA | +1-657777-SSSS | |
| Cox California Telcom | Santa Ana, CA | +1-657859-SSSS | |
| Telcentris Communications | Orange, CA | +1-657888-SSSS | |
| Telcentris Communications | Anaheim, CA | +1-657999-SSSS |
