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 |
| 310-974
| 0 |
Torrance |
CA |
CYCMCALLCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
2014-08-11 |
|
| 310-974
| 1 |
Torrance |
CA |
IRVECAEIDS2 |
7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA |
730 |
|
|
|
| 310-974
| 2 |
Torrance |
CA |
BLTNCAADGMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2003-07-07 |
|
| 310-974
| 3 |
Torrance |
CA |
IRVECAEIDS2 |
7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA |
730 |
|
|
|
| 310-974
| 4 |
Torrance |
CA |
LSANCARCD3S |
649C ONVOY, LLC - CA |
730 |
|
2010-11-03 |
|
| 310-974
| 5 |
Torrance |
CA |
IRVECAEIDS2 |
7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA |
730 |
|
|
|
| 310-974
| 6 |
Torrance |
CA |
|
829J PAETEC ITEL, LLC |
730 |
|
2010-10-29 |
|
| 310-974
| 7 |
Torrance |
CA |
LSANCARC80Z |
9262 UTILITY TELECOM GROUP, LLC - CA |
730 |
|
2006-05-25 |
|
| 310-974
| 8 |
Torrance |
CA |
|
515J IP HORIZON LLC |
730 |
|
2003-10-12 |
|
| 310-974
| 9 |
Torrance |
CA |
LSANCARC80Z |
9262 UTILITY TELECOM GROUP, LLC - CA |
730 |
|
2012-04-23 |
|
| 310-975
| A |
Beverly Hills |
CA |
IRVECAEIDS2 |
7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA |
730 |
|
|
|
| 310-975
| 0 |
Beverly Hills |
CA |
IRVECAEIDS2 |
7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA |
730 |
|
|
|
| 310-975
| 1 |
Beverly Hills |
CA |
BLTNCAADPS2 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
730 |
|
2005-09-12 |
|
| 310-975
| 2 |
Beverly Hills |
CA |
IRVECAEIDS2 |
7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA |
730 |
|
|
|
| 310-975
| 3 |
Beverly Hills |
CA |
IRVECAEIDS2 |
7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA |
730 |
|
|
|
| 310-975
| 4 |
Beverly Hills |
CA |
CYCMCALLCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
2005-08-18 |
|
| 310-975
| 5 |
Beverly Hills |
CA |
CYCMCALLCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
2005-08-18 |
|
| 310-975
| 6 |
Beverly Hills |
CA |
BLTNCAADPS2 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
730 |
|
2005-09-12 |
|
| 310-975
| 7 |
Beverly Hills |
CA |
IRVECAEIDS2 |
7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA |
730 |
|
|
|
| 310-975
| 8 |
Beverly Hills |
CA |
IRVECAEIDS2 |
7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA |
730 |
|
|
|
| 310-975
| 9 |
Beverly Hills |
CA |
BLTNCAADGMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2005-07-16 |
|
| 310-976
| A |
Beverly Hills |
CA |
LSANCARCDSZ |
7894 NORTH COUNTY COMMUNICATION CORPORATION - CA |
730 |
|
|
|
| 310-977
| A |
Compton: Gardena DA |
CA |
CYCMCALLCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
|
|
| 310-978
| A |
Hawthorne |
CA |
HWTHCA01DS0 |
9740 PACIFIC BELL |
730 |
|
|
|
| 310-978
| 0 |
Hawthorne |
CA |
HWTHCA01DS0 |
9740 PACIFIC BELL |
730 |
|
|
|
| 310-978
| 1 |
Hawthorne |
CA |
HWTHCA01DS0 |
9740 PACIFIC BELL |
730 |
|
|
|
| 310-978
| 2 |
Hawthorne |
CA |
HWTHCA01DS0 |
9740 PACIFIC BELL |
730 |
|
|
|
| 310-978
| 3 |
Hawthorne |
CA |
HWTHCA01DS0 |
9740 PACIFIC BELL |
730 |
|
|
|
| 310-978
| 4 |
Hawthorne |
CA |
HWTHCA01DS0 |
9740 PACIFIC BELL |
730 |
|
|
|
| 310-978
| 5 |
Hawthorne |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2007-07-15 |
|
| 310-978
| 6 |
Hawthorne |
CA |
HWTHCA01DS0 |
9740 PACIFIC BELL |
730 |
|
|
|
| 310-978
| 7 |
Hawthorne |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2007-05-23 |
|
| 310-978
| 8 |
Hawthorne |
CA |
HWTHCA01DS0 |
9740 PACIFIC BELL |
730 |
|
|
|
| 310-978
| 9 |
Hawthorne |
CA |
HWTHCA01DS0 |
9740 PACIFIC BELL |
730 |
|
|
|
| 310-979
| A |
West Los Angeles |
CA |
WLANCAXHDS1 |
2319 FRONTIER CALIFORNIA INC. |
730 |
|
|
|
| 310-980
| A |
Santa Monica: Santa Monica DA |
CA |
TRNECAGBGT3 |
6529 T-MOBILE USA, INC. |
730 |
|
|
|
| 310-981
| A |
Inglewood |
CA |
GRDNCA02KMD |
7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
730 |
|
|
|
| 310-981
| 0 |
Inglewood |
CA |
LSANCA03DS7 |
7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
730 |
|
2011-07-01 |
|
| 310-981
| 1 |
Inglewood |
CA |
GRDNCA02DS3 |
7421 AT&T - LOCAL |
730 |
|
|
|
| 310-981
| 2 |
Inglewood |
CA |
|
7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
730 |
|
|
|
| 310-981
| 3 |
Inglewood |
CA |
LSANCA039MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2011-05-22 |
|
| 310-981
| 4 |
Inglewood |
CA |
IRVNCASM1MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
730 |
|
2010-04-04 |
|
| 310-981
| 5 |
Inglewood |
CA |
LSANCA03DS7 |
7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
730 |
|
2013-05-23 |
|
| 310-981
| 6 |
Inglewood |
CA |
TRNECAGB7MD |
899D METROPCS NETWORKS, LLC |
730 |
|
2003-08-24 |
|
| 310-981
| 7 |
Inglewood |
CA |
BLTNCAADGMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2013-03-18 |
|
| 310-981
| 8 |
Inglewood |
CA |
BLTNCAADGMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2013-10-22 |
|
| 310-981
| 9 |
Inglewood |
CA |
IRVNCASM1MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
730 |
|
2004-01-06 |
|
| 310-982
| A |
San Pedro |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
|
|
| 310-982
| 0 |
San Pedro |
CA |
BLTNCAADGMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2005-11-01 |
|
| 310-982
| 1 |
San Pedro |
CA |
LSANCA54DS7 |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
730 |
|
2005-10-24 |
|
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Last updated: Thu, 05 Feb 2026 23:41:55 UTC
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