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]

<< 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
310-352 9 Compton: Gardena DA CA GRDNCA01DS0  9740 PACIFIC BELL 730      
310-353 A Compton: Gardena DA CA GRDNCA01DS0  9740 PACIFIC BELL 730      
310-353 0 Compton: Gardena DA CA GRDNCA01DS0  9740 PACIFIC BELL 730      
310-353 1 Compton: Gardena DA CA GRDNCA01DS0  9740 PACIFIC BELL 730      
310-353 2 Compton: Gardena DA CA GRDNCA01DS0  9740 PACIFIC BELL 730      
310-353 3 Compton: Gardena DA CA GRDNCA01DS0  9740 PACIFIC BELL 730      
310-353 4 Compton: Gardena DA CA GRDNCA01DS0  9740 PACIFIC BELL 730      
310-353 5 Compton: Gardena DA CA GRDNCA01DS0  9740 PACIFIC BELL 730      
310-353 6 Compton: Gardena DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2006-01-22   
310-353 7 Compton: Gardena DA CA GRDNCA01DS0  9740 PACIFIC BELL 730      
310-353 8 Compton: Gardena DA CA GRDNCA01DS0  9740 PACIFIC BELL 730      
310-353 9 Compton: Gardena DA CA GRDNCA01DS0  9740 PACIFIC BELL 730      
310-354 A Compton: Gardena DA CA GRDNCA01DS0  9740 PACIFIC BELL 730      
310-355 A Hawthorne CA HWTHCA01DS0  9740 PACIFIC BELL 730      
310-355 0 Hawthorne CA HWTHCA01DS0  9740 PACIFIC BELL 730      
310-355 1 Hawthorne CA HWTHCA01DS0  9740 PACIFIC BELL 730      
310-355 2 Hawthorne CA HWTHCA01DS0  9740 PACIFIC BELL 730      
310-355 3 Hawthorne CA HWTHCA01DS0  9740 PACIFIC BELL 730      
310-355 4 Hawthorne CA HWTHCA01DS0  9740 PACIFIC BELL 730      
310-355 5 Hawthorne CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2022-04-19   
310-355 6 Hawthorne CA HWTHCA01DS0  9740 PACIFIC BELL 730      
310-355 7 Hawthorne CA HWTHCA01DS0  9740 PACIFIC BELL 730      
310-355 8 Hawthorne CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2006-05-22   
310-355 9 Hawthorne CA HWTHCA01DS0  9740 PACIFIC BELL 730      
310-356 A El Segundo CA LSANCA54ZMD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 730      
310-356 0 El Segundo CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2007-03-04   
310-356 1 El Segundo CA LSANCA54ZMD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 730      
310-356 2 El Segundo CA ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2000-04-04   
310-356 3 El Segundo CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2001-07-02   
310-356 4 El Segundo CA ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2003-06-04   
310-356 5 El Segundo CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2005-02-20   
310-356 6 El Segundo CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2003-04-28   
310-356 7 El Segundo CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2003-04-28   
310-356 8 El Segundo CA LSANCA54ZMD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 730   2000-05-29   
310-356 9 El Segundo CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2005-02-18   
310-357 A Torrance CA LSANCA03DS7  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
310-357 0 Torrance CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2004-09-09   
310-357 1 Torrance CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2004-09-09   
310-357 2 Torrance CA LSANCA03DS7  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
310-357 3 Torrance CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2004-02-04   
310-357 4 Torrance CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2005-01-18   
310-357 5 Torrance CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2004-02-04   
310-357 6 Torrance CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2004-02-04   
310-357 7 Torrance CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-09-21   
310-357 8 Torrance CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2004-02-04   
310-357 9 Torrance CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2005-01-18   
310-358 A Beverly Hills CA LSANCA08DS0  9740 PACIFIC BELL 730      
310-359 A Malibu CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
310-359 0 Malibu CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2005-07-09   
310-359 1 Malibu CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2005-07-09   

<< 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 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.