California area code
Area code 657
657 is a California area code covering Anaheim, Santa Ana and Huntington Beach. Check a 657 number below to see if it is mobile, landline or VoIP, and which carrier it is with today.
Verdicts describe reachability. They are not compliance checks.
- State
- California
- Exchanges in use
- 703
- Thousands-blocks assigned
- 7,000
- Carriers holding numbers
- 40
An exchange is the three digits after the area code, 10,000 numbers. A thousands-block is 1,000 of them, assigned to a carrier on its own.
Rate centres in 657
A rate centre is the local area a number belongs to. Names are as NANPA files them, often abbreviated. The 12 with the most exchanges, of 13.
| Rate centre (as filed) | Exchanges |
|---|---|
| ANAHEIM | 163 |
| HUNTITNBCH | 141 |
| SANTA ANA | 118 |
| WESTMINSTR | 60 |
| SILVERADO | 53 |
| ORANGE | 42 |
| GARDEN GRV | 31 |
| CYPRESS | 28 |
| FULLERTON | 26 |
| BUENA PARK | 11 |
| PLACENTIA | 11 |
| YORBALINDA | 11 |
Carriers 657 numbers were assigned to
The carrier NANPA lists for each exchange and thousands-block. A number can be ported to another carrier after it is assigned, so check the number itself to see its carrier today.
How a port changes the carrier on your list
| Carrier (as filed) | Exchanges | Thousands-blocks |
|---|---|---|
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 372 | 4,661 |
| T-MOBILE USA, INC. | 74 | 495 |
| NEW CINGULAR WIRELESS PCS, LLC | 48 | 353 |
| FRACTEL, LLC | 40 | 42 |
| BANDWIDTH.COM CLEC, LLC - CA | 35 | 298 |
| ONVOY, LLC - CA | 33 | 454 |
| LEVEL 3 COMMUNICATIONS, LLC - CA | 16 | 78 |
| PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 14 | 106 |
| TWC IP ENABLED SERVICES, LLC | 13 | 75 |
| TELEPORT COMMUNICATIONS AMERICA, LLC - CA | 9 | 49 |
Questions about this area code
Where is area code 657?
657 is a California area code covering Anaheim, Santa Ana and Huntington Beach. NANPA's report lists 703 exchanges in use across 13 rate centres.
Is 657 a mobile or a landline area code?
Both. An area code doesn't decide the line type: mobile, landline and VoIP numbers all use 657, and numbers move between carriers. Check the number itself to see what it is today.
Which area codes overlay 657?
714 has numbers in at least half of the same places as 657, so a new number there can get any of these area codes.
Can you tell me who owns a 657 number?
No. NumberLookup shows whether a number is valid, its line type, its carrier and its region, never the person or business behind it.
Source: NANPA's public central office code and thousands-block reports, refreshed weekly. Carriers are the ones the numbers were assigned to, not necessarily today's, and never the person who uses a number.
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