Local Calling Guide
Area code/prefix search
NPA: 323
[Rate centres in NPA 323]
[Dial plan for NPA 323]
NXX: 403
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 323-403
| A |
Los Angeles: DA 12 |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
|
|
| 323-403
| 0 |
Los Angeles: DA 12 |
CA |
LSANCARCD3S |
649C ONVOY, LLC - CA |
730 |
|
2013-03-25 |
|
| 323-403
| 1 |
Los Angeles: DA 12 |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2016-11-16 |
|
| 323-403
| 2 |
Los Angeles: DA 12 |
CA |
SHOKCA022MD |
576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB |
730 |
|
2017-08-24 |
|
| 323-403
| 3 |
Los Angeles: DA 12 |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2004-03-16 |
|
| 323-403
| 4 |
Los Angeles: DA 12 |
CA |
LSANCARCD3S |
649C ONVOY, LLC - CA |
730 |
|
2017-12-09 |
|
| 323-403
| 5 |
Los Angeles: DA 12 |
CA |
LSANCA039MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2018-04-02 |
|
| 323-403
| 6 |
Los Angeles: DA 12 |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2005-01-15 |
|
| 323-403
| 7 |
Los Angeles: DA 12 |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2004-09-02 |
|
| 323-403
| 8 |
Los Angeles: DA 12 |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2004-10-29 |
|
| 323-403
| 9 |
Los Angeles: DA 12 |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2014-12-01 |
|
Last updated: Thu, 16 Oct 2025 03:04:18 UTC
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