Local Calling Guide
Area code/prefix search
NPA: 310
[Rate centres in NPA 310]
[Dial plan for NPA 310]
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| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 310-905
| 5 |
Santa Monica: Mar Vista DA |
CA |
SNMNCAXPX3Z |
649C ONVOY, LLC - CA |
730 |
|
2013-04-05 |
|
| 310-905
| 6 |
Santa Monica: Mar Vista DA |
CA |
SNMNCAXPX3Z |
649C ONVOY, LLC - CA |
730 |
|
2013-04-05 |
|
| 310-905
| 7 |
Santa Monica: Mar Vista DA |
CA |
BLTNCAADGMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2013-02-28 |
|
| 310-905
| 8 |
Santa Monica: Mar Vista DA |
CA |
SNMNCAXPX1Z |
506J TWILIO INTERNATIONAL, INC. |
730 |
|
2014-04-16 |
|
| 310-905
| 9 |
Santa Monica: Mar Vista DA |
CA |
BLTNCAADGMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2013-02-28 |
|
| 310-906
| A |
El Segundo |
CA |
LSANCARCY5X |
515J IP HORIZON LLC |
730 |
|
|
|
| 310-906
| 0 |
El Segundo |
CA |
LSANCA039MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2009-08-17 |
|
| 310-906
| 1 |
El Segundo |
CA |
|
515J IP HORIZON LLC |
730 |
|
|
|
| 310-906
| 2 |
El Segundo |
CA |
|
515J IP HORIZON LLC |
730 |
|
|
|
| 310-906
| 3 |
El Segundo |
CA |
IRVNCASM1MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
730 |
|
2009-09-11 |
|
| 310-906
| 4 |
El Segundo |
CA |
LSANCA54DS7 |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
730 |
|
2013-01-07 |
|
| 310-906
| 5 |
El Segundo |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2007-01-25 |
|
| 310-906
| 6 |
El Segundo |
CA |
BLTNCAADGMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2004-11-12 |
|
| 310-906
| 7 |
El Segundo |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2007-01-25 |
|
| 310-906
| 8 |
El Segundo |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2007-01-25 |
|
| 310-906
| 9 |
El Segundo |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2007-01-25 |
|
| 310-907
| A |
Santa Monica: Santa Monica DA |
CA |
ANHMCAHLDS1 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
730 |
|
|
|
| 310-907
| 0 |
Santa Monica: Santa Monica DA |
CA |
ANHMCAHLDS1 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
730 |
|
|
|
| 310-907
| 1 |
Santa Monica: Santa Monica DA |
CA |
WLANCA01DS0 |
7480 PACIFIC BELL (COMPETITIVE) |
730 |
|
2002-06-21 |
|
| 310-907
| 2 |
Santa Monica: Santa Monica DA |
CA |
WLANCA01DS0 |
7480 PACIFIC BELL (COMPETITIVE) |
730 |
|
2002-06-26 |
|
| 310-907
| 3 |
Santa Monica: Santa Monica DA |
CA |
WLANCA01DS0 |
7480 PACIFIC BELL (COMPETITIVE) |
730 |
|
2005-04-18 |
|
| 310-907
| 4 |
Santa Monica: Santa Monica DA |
CA |
WLANCA01DS0 |
7480 PACIFIC BELL (COMPETITIVE) |
730 |
|
2005-04-18 |
|
| 310-907
| 5 |
Santa Monica: Santa Monica DA |
CA |
LSANCA54DS7 |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
730 |
|
2003-03-22 |
|
| 310-907
| 6 |
Santa Monica: Santa Monica DA |
CA |
CYCMCALLCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
2003-08-05 |
|
| 310-907
| 7 |
Santa Monica: Santa Monica DA |
CA |
SNMNCAXPX3Z |
649C ONVOY, LLC - CA |
730 |
|
2005-02-05 |
|
| 310-907
| 8 |
Santa Monica: Santa Monica DA |
CA |
|
515J IP HORIZON LLC |
730 |
|
2005-02-05 |
|
| 310-907
| 9 |
Santa Monica: Santa Monica DA |
CA |
ANHMCAHLDS1 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
730 |
|
|
|
| 310-908
| A |
Inglewood |
CA |
CYCMCALLCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
|
|
| 310-909
| A |
West Los Angeles |
CA |
BLTNCAADPS2 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
730 |
|
|
|
| 310-909
| 0 |
West Los Angeles |
CA |
BLTNCAADPS2 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
730 |
|
|
|
| 310-909
| 1 |
West Los Angeles |
CA |
BLTNCAADPS2 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
730 |
|
|
|
| 310-909
| 2 |
West Los Angeles |
CA |
BLTNCAADPS2 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
730 |
|
2004-09-17 |
|
| 310-909
| 3 |
West Los Angeles |
CA |
BLTNCAADGMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2004-06-18 |
|
| 310-909
| 4 |
West Los Angeles |
CA |
BLTNCAADGMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2004-06-18 |
|
| 310-909
| 5 |
West Los Angeles |
CA |
BLTNCAADPS2 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
730 |
|
2000-09-26 |
|
| 310-909
| 6 |
West Los Angeles |
CA |
BLTNCAADGMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2004-06-18 |
|
| 310-909
| 7 |
West Los Angeles |
CA |
LSANCA54DS7 |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
730 |
|
2004-07-14 |
|
| 310-909
| 8 |
West Los Angeles |
CA |
LSANCA54DS7 |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
730 |
|
2004-04-16 |
|
| 310-909
| 9 |
West Los Angeles |
CA |
BLTNCAADGMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2004-11-05 |
|
| 310-910
| A |
Inglewood |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
|
|
| 310-910
| 0 |
Inglewood |
CA |
SHOKCA022MD |
576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB |
730 |
|
2009-11-06 |
|
| 310-910
| 1 |
Inglewood |
CA |
LSANCA039MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2009-08-17 |
|
| 310-910
| 2 |
Inglewood |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2005-12-21 |
|
| 310-910
| 3 |
Inglewood |
CA |
CYCMCALLCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
2005-10-13 |
|
| 310-910
| 4 |
Inglewood |
CA |
CYCMCALLCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
2005-07-06 |
|
| 310-910
| 5 |
Inglewood |
CA |
CYCMCALLCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
2005-07-21 |
|
| 310-910
| 6 |
Inglewood |
CA |
TRNECAGB7MD |
899D METROPCS NETWORKS, LLC |
730 |
|
2004-08-16 |
|
| 310-910
| 7 |
Inglewood |
CA |
BLTNCAADGMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2013-11-18 |
|
| 310-910
| 8 |
Inglewood |
CA |
TRNECAGB7MD |
899D METROPCS NETWORKS, LLC |
730 |
|
2005-04-02 |
|
| 310-910
| 9 |
Inglewood |
CA |
LSANCA54DS7 |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
730 |
|
2005-12-08 |
|
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Last updated: Thu, 05 Feb 2026 23:41:55 UTC
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