Local Calling Guide
Area code/prefix search
NPA: 310
[Rate centres in NPA 310]
[Dial plan for NPA 310]
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 310-932
| A |
Lakewood |
CA |
LSANCA05TMD |
6630 USA MOBILITY WIRELESS, INC. |
730 |
|
|
|
| 310-933
| A |
Compton: Compton DA |
CA |
LSANCA54DS7 |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
730 |
|
|
|
| 310-933
| 0 |
Compton: Compton DA |
CA |
BLTNCAADPS2 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
730 |
|
2006-09-15 |
|
| 310-933
| 1 |
Compton: Compton DA |
CA |
BLTNCAADPS2 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
730 |
|
2006-09-15 |
|
| 310-933
| 2 |
Compton: Compton DA |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2005-06-10 |
|
| 310-933
| 3 |
Compton: Compton DA |
CA |
LSANCA54DS7 |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
730 |
|
2004-09-01 |
|
| 310-933
| 4 |
Compton: Compton DA |
CA |
LSANCA54DS7 |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
730 |
|
|
|
| 310-933
| 5 |
Compton: Compton DA |
CA |
LSANCA54DS7 |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
730 |
|
2005-02-25 |
|
| 310-933
| 6 |
Compton: Compton DA |
CA |
LSANCA54DS7 |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
730 |
|
2005-02-25 |
|
| 310-933
| 7 |
Compton: Compton DA |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2005-06-10 |
|
| 310-933
| 8 |
Compton: Compton DA |
CA |
ANHMCA01XEY |
516C AT&T CORP. |
730 |
|
2006-07-07 |
|
| 310-933
| 9 |
Compton: Compton DA |
CA |
LSANCA039MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2006-09-28 |
|
| 310-934
| A |
Culver City |
CA |
LSANCA01XSY |
9748 AMERICAN MESSAGING SERVICES, LLC |
730 |
|
|
|
| 310-935
| A |
San Pedro |
CA |
LSANCARCD3S |
649C ONVOY, LLC - CA |
730 |
|
|
|
| 310-935
| 0 |
San Pedro |
CA |
LSANCA039MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2011-05-22 |
|
| 310-935
| 1 |
San Pedro |
CA |
LSANCA039MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2011-05-22 |
|
| 310-935
| 2 |
San Pedro |
CA |
SHOKCA022MD |
576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB |
730 |
|
2011-05-23 |
|
| 310-935
| 3 |
San Pedro |
CA |
LSANCARCD3S |
649C ONVOY, LLC - CA |
730 |
|
2011-04-08 |
|
| 310-935
| 4 |
San Pedro |
CA |
LSANCA54DS7 |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
730 |
|
2011-04-11 |
|
| 310-935
| 5 |
San Pedro |
CA |
BLTNCAADGMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2011-12-16 |
|
| 310-935
| 6 |
San Pedro |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2012-10-20 |
|
| 310-935
| 7 |
San Pedro |
CA |
ANHMCA01XRY |
318J COMCAST IP PHONE, LLC |
730 |
|
2011-08-26 |
|
| 310-935
| 8 |
San Pedro |
CA |
BLTNCAADGMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2011-09-15 |
|
| 310-935
| 9 |
San Pedro |
CA |
BLTNCAADGMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2011-09-15 |
|
| 310-936
| A |
Culver City |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
|
|
| 310-936
| 0 |
Culver City |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
|
|
| 310-936
| 1 |
Culver City |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
|
|
| 310-936
| 2 |
Culver City |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
|
|
| 310-936
| 3 |
Culver City |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
|
|
| 310-936
| 4 |
Culver City |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
|
|
| 310-936
| 5 |
Culver City |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
|
|
| 310-936
| 6 |
Culver City |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
|
|
| 310-936
| 7 |
Culver City |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
|
|
| 310-936
| 8 |
Culver City |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
|
|
| 310-936
| 9 |
Culver City |
CA |
TRNECAGB7MD |
899D METROPCS NETWORKS, LLC |
730 |
|
|
|
| 310-937
| A |
Redondo |
CA |
HRBHCAXA37K |
2319 FRONTIER CALIFORNIA INC. |
730 |
|
|
|
| 310-938
| A |
Torrance |
CA |
CYCMCALLCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
|
|
| 310-939
| A |
Redondo |
CA |
MNBHCAXF54K |
2319 FRONTIER CALIFORNIA INC. |
730 |
|
|
|
| 310-940
| A |
Compton: Gardena DA |
CA |
CYCMCALLCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
|
|
| 310-941
| A |
Compton: Gardena DA |
CA |
CYCMCALLCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
|
|
| 310-942
| A |
Compton: Gardena DA |
CA |
ONTRCAXPXAY |
6967 33 WIRELESS INC. |
730 |
|
|
|
| 310-943
| A |
West Los Angeles |
CA |
SNMNCAXPX3Z |
649C ONVOY, LLC - CA |
730 |
|
2024-01-23 |
|
| 310-943
| 0 |
West Los Angeles |
CA |
SNMNCAXPX3Z |
649C ONVOY, LLC - CA |
730 |
|
|
|
| 310-943
| 1 |
West Los Angeles |
CA |
SNMNCAXPX3Z |
649C ONVOY, LLC - CA |
730 |
|
|
|
| 310-943
| 2 |
West Los Angeles |
CA |
SNMNCAXPX3Z |
649C ONVOY, LLC - CA |
730 |
|
|
|
| 310-943
| 3 |
West Los Angeles |
CA |
SNMNCAXPX3Z |
649C ONVOY, LLC - CA |
730 |
|
|
|
| 310-943
| 4 |
West Los Angeles |
CA |
IRVNCASM1MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
730 |
|
2000-04-14 |
|
| 310-943
| 5 |
West Los Angeles |
CA |
IRVNCASM1MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
730 |
|
2000-04-14 |
|
| 310-943
| 6 |
West Los Angeles |
CA |
LSANCA54DS7 |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
730 |
|
2000-08-29 |
|
| 310-943
| 7 |
West Los Angeles |
CA |
LSANCA54DS7 |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
730 |
|
2000-04-25 |
|
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Last updated: Thu, 05 Feb 2026 23:41:55 UTC
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