Local Calling Guide
Area code/prefix search
NPA: 657
[Rate centres in NPA 657]
[Dial plan for NPA 657]
NXX: 363
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 657-363
| A |
Yorba Linda |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
|
|
| 657-363
| 0 |
Yorba Linda |
CA |
|
515J IP HORIZON LLC |
730 |
|
2015-09-19 |
|
| 657-363
| 1 |
Yorba Linda |
CA |
|
394L COMCAST PHONE OF CALIFORNIA, LLC |
730 |
|
2015-07-01 |
|
| 657-363
| 2 |
Yorba Linda |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2015-11-28 |
|
| 657-363
| 3 |
Yorba Linda |
CA |
LSANCARCD3S |
649C ONVOY, LLC - CA |
730 |
|
2014-12-26 |
|
| 657-363
| 4 |
Yorba Linda |
CA |
LSANCARCD3S |
649C ONVOY, LLC - CA |
730 |
|
2014-12-26 |
|
| 657-363
| 5 |
Yorba Linda |
CA |
LSANCARCD3S |
649C ONVOY, LLC - CA |
730 |
|
2015-07-30 |
|
| 657-363
| 6 |
Yorba Linda |
CA |
LSANCA039MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2018-07-14 |
|
| 657-363
| 7 |
Yorba Linda |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2015-11-28 |
|
| 657-363
| 8 |
Yorba Linda |
CA |
|
793K TWC IP ENABLED SERVICES, LLC |
730 |
|
2016-02-01 |
|
| 657-363
| 9 |
Yorba Linda |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2014-12-13 |
|
Last updated: Tue, 16 Jun 2026 00:09:45 UTC
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