Local Calling Guide
Area code/prefix search
NPA: 310
[Rate centres in NPA 310]
[Dial plan for NPA 310]
Block: A
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 310-301
| A |
Santa Monica: Mar Vista DA |
CA |
PDRYCAXF82A |
2319 FRONTIER CALIFORNIA INC. |
730 |
|
|
|
| 310-302
| A |
Santa Monica: Mar Vista DA |
CA |
PDRYCAXF82A |
2319 FRONTIER CALIFORNIA INC. |
730 |
|
|
|
| 310-303
| A |
Redondo |
CA |
GRDNCA01DS0 |
7480 PACIFIC BELL (COMPETITIVE) |
730 |
|
|
|
| 310-304
| A |
Lomita |
CA |
LSANCARCD3S |
649C ONVOY, LLC - CA |
730 |
|
|
|
| 310-305
| A |
Santa Monica: Mar Vista DA |
CA |
PDRYCAXF82A |
2319 FRONTIER CALIFORNIA INC. |
730 |
|
|
|
| 310-306
| A |
Santa Monica: Mar Vista DA |
CA |
PDRYCAXF82A |
2319 FRONTIER CALIFORNIA INC. |
730 |
|
|
|
| 310-307
| A |
West Los Angeles |
CA |
TRNECAGBGT3 |
6529 T-MOBILE USA, INC. |
730 |
|
|
|
| 310-308
| A |
Compton: Gardena DA |
CA |
CYCMCALLCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
|
|
| 310-309
| A |
Santa Monica: Santa Monica DA |
CA |
LSANCA03DS3 |
7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
730 |
|
|
|
| 310-310
| A |
Santa Monica: Santa Monica DA |
CA |
TRNECAGBGT3 |
6529 T-MOBILE USA, INC. |
730 |
|
|
|
| 310-312
| A |
West Los Angeles |
CA |
WLANCAXFDS1 |
2319 FRONTIER CALIFORNIA INC. |
730 |
|
|
|
| 310-313
| A |
Santa Monica: Mar Vista DA |
CA |
CLCYCAXG39K |
2319 FRONTIER CALIFORNIA INC. |
730 |
|
|
|
| 310-314
| A |
Santa Monica: Santa Monica DA |
CA |
SNMNCAXJ31K |
2319 FRONTIER CALIFORNIA INC. |
730 |
|
|
|
| 310-315
| A |
Santa Monica: Santa Monica DA |
CA |
WLANCAXH82J |
2319 FRONTIER CALIFORNIA INC. |
730 |
|
|
|
| 310-316
| A |
Redondo |
CA |
TRNCCAXF54K |
2319 FRONTIER CALIFORNIA INC. |
730 |
|
|
|
| 310-317
| A |
Malibu |
CA |
MALBCAXG45A |
2319 FRONTIER CALIFORNIA INC. |
730 |
|
|
|
| 310-318
| A |
Redondo |
CA |
HRBHCAXA37K |
2319 FRONTIER CALIFORNIA INC. |
730 |
|
|
|
| 310-319
| A |
Santa Monica: Santa Monica DA |
CA |
SNMNCAXGDS0 |
2319 FRONTIER CALIFORNIA INC. |
730 |
|
|
|
| 310-320
| A |
Torrance |
CA |
TRNCCA11DS0 |
9740 PACIFIC BELL |
730 |
|
|
|
| 310-321
| A |
El Segundo |
CA |
IRVNCASM1MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
730 |
|
|
|
| 310-322
| A |
El Segundo |
CA |
ELSGCA12DS0 |
9740 PACIFIC BELL |
730 |
|
|
|
| 310-323
| A |
Compton: Gardena DA |
CA |
GRDNCA01DS0 |
9740 PACIFIC BELL |
730 |
|
|
|
| 310-324
| A |
Compton: Gardena DA |
CA |
GRDNCA01DS1 |
9740 PACIFIC BELL |
730 |
|
|
|
| 310-325
| A |
Lomita |
CA |
LOMTCA11DS0 |
9740 PACIFIC BELL |
730 |
|
|
|
| 310-326
| A |
Lomita |
CA |
LOMTCA11DS0 |
9740 PACIFIC BELL |
730 |
|
|
|
| 310-327
| A |
Compton: Gardena DA |
CA |
GRDNCA01DS1 |
9740 PACIFIC BELL |
730 |
|
|
|
| 310-328
| A |
Torrance |
CA |
TRNCCA11DS0 |
9740 PACIFIC BELL |
730 |
|
|
|
| 310-329
| A |
Compton: Gardena DA |
CA |
GRDNCA01DS1 |
9740 PACIFIC BELL |
730 |
|
|
|
| 310-330
| A |
Inglewood |
CA |
IGWDCA01DS0 |
9740 PACIFIC BELL |
730 |
|
|
|
| 310-331
| A |
Hawthorne |
CA |
HWTHCA01DS0 |
9740 PACIFIC BELL |
730 |
|
|
|
| 310-332
| A |
Hawthorne |
CA |
HWTHCA01DS0 |
9740 PACIFIC BELL |
730 |
|
|
|
| 310-333
| A |
El Segundo |
CA |
ELSGCA12DS0 |
9740 PACIFIC BELL |
730 |
|
|
|
| 310-334
| A |
El Segundo |
CA |
ELSGCA12DS0 |
9740 PACIFIC BELL |
730 |
|
|
|
| 310-335
| A |
El Segundo |
CA |
ELSGCA12DS0 |
9740 PACIFIC BELL |
730 |
|
|
|
| 310-336
| A |
El Segundo |
CA |
ELSGCA12DS0 |
9740 PACIFIC BELL |
730 |
|
|
|
| 310-337
| A |
Inglewood |
CA |
LSANCA07DS0 |
9740 PACIFIC BELL |
730 |
|
|
|
| 310-338
| A |
Inglewood |
CA |
LSANCA07DS0 |
9740 PACIFIC BELL |
730 |
|
|
|
| 310-339
| A |
Santa Monica: Mar Vista DA |
CA |
BLTNCAADGMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
|
|
| 310-340
| A |
Hawthorne |
CA |
CYCMCALLCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
|
|
| 310-341
| A |
El Segundo |
CA |
LSANCA03DS7 |
7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
730 |
|
|
|
| 310-342
| A |
Inglewood |
CA |
LSANCA07DS0 |
9740 PACIFIC BELL |
730 |
|
|
|
| 310-343
| A |
El Segundo |
CA |
LSANCA03DS7 |
7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
730 |
|
|
|
| 310-344
| A |
Compton: Gardena DA |
CA |
CYCMCALLCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
|
|
| 310-345
| A |
Compton: Gardena DA |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
|
|
| 310-346
| A |
Compton: Gardena DA |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
|
|
| 310-347
| A |
Torrance |
CA |
CYCMCALLCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
|
|
| 310-348
| A |
Inglewood |
CA |
LSANCA07DS0 |
9740 PACIFIC BELL |
730 |
|
|
|
| 310-349
| A |
Hawthorne |
CA |
HWTHCA01DS0 |
9740 PACIFIC BELL |
730 |
|
|
|
| 310-350
| A |
Torrance |
CA |
TRNECAGB7MD |
899D METROPCS NETWORKS, LLC |
730 |
|
2024-02-09 |
|
| 310-351
| A |
Santa Monica: Mar Vista DA |
CA |
BLTNCAADGMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
|
|
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Last updated: Fri, 10 Jul 2026 02:55:48 UTC
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