Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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 - CLEC 730      
310-304 A Hawthorne CA LSANCARC80Z  9748 AMERICAN MESSAGING SERVICES, LLC 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 LSAGCAJNDS0  7139 TELEPORT COMMUNICATIONS GROUP - LOS ANGELES 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 POMNCAAADS0  8322 MPOWER COMMUNICATIONS CORP - CA 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   2021-02-25   
310-340 A Hawthorne CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
310-341 A El Segundo CA LSAGCAJNDS0  7139 TELEPORT COMMUNICATIONS GROUP - LOS ANGELES 730      
310-342 A Inglewood CA LSANCA07DS0  9740 PACIFIC BELL 730      
310-343 A El Segundo CA LSAGCAJNDS0  7139 TELEPORT COMMUNICATIONS GROUP - LOS ANGELES 730      
310-344 A Compton: Gardena DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
310-345 A Compton: Gardena DA CA IRVNCAAG8MD  6664 SPRINT SPECTRUM L.P. 730      
310-346 A Compton: Gardena DA CA IRVNCAAG8MD  6664 SPRINT SPECTRUM L.P. 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 IRVNCAAG8MD  6664 SPRINT SPECTRUM L.P. 730      
310-351 A Santa Monica: Mar Vista DA CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2021-02-25   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.