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
310-557 7 Beverly Hills CA WLANCA01DS0  9740 PACIFIC BELL 730      
310-557 8 Beverly Hills CA WLANCA01DS0  9740 PACIFIC BELL 730      
310-557 9 Beverly Hills CA WLANCA01DS0  9740 PACIFIC BELL 730      
310-558 A Culver City CA CLCYCA11DS0  9740 PACIFIC BELL 730      
310-558 0 Culver City CA CLCYCA11DS0  9740 PACIFIC BELL 730      
310-558 1 Culver City CA CLCYCA11DS0  9740 PACIFIC BELL 730      
310-558 2 Culver City CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2005-09-28   
310-558 3 Culver City CA CLCYCA11DS0  9740 PACIFIC BELL 730      
310-558 4 Culver City CA CLCYCA11DS0  9740 PACIFIC BELL 730      
310-558 5 Culver City CA CLCYCA11DS0  9740 PACIFIC BELL 730      
310-558 6 Culver City CA CLCYCA11DS0  9740 PACIFIC BELL 730      
310-558 7 Culver City CA CLCYCA11DS0  9740 PACIFIC BELL 730      
310-558 8 Culver City CA CLCYCA11DS0  9740 PACIFIC BELL 730      
310-558 9 Culver City CA CLCYCA11DS0  9740 PACIFIC BELL 730      
310-559 A Culver City CA CLCYCA11DS0  9740 PACIFIC BELL 730      
310-560 A Santa Monica: Mar Vista DA CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
310-561 A Torrance CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
310-561 0 Torrance CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2005-04-18   
310-561 1 Torrance CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2005-04-18   
310-561 2 Torrance CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2005-04-18   
310-561 3 Torrance CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2005-04-18   
310-561 4 Torrance CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2005-04-18   
310-561 5 Torrance CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2005-04-18   
310-561 6 Torrance CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2005-04-18   
310-561 7 Torrance CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2005-05-23   
310-561 8 Torrance CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-04-18   
310-561 9 Torrance CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2005-04-15   
310-562 A West Los Angeles CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
310-563 A El Segundo CA ELSGCA12DS0  9740 PACIFIC BELL 730      
310-564 A Santa Monica: Santa Monica DA CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2024-01-23   
310-564 0 Santa Monica: Santa Monica DA CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730      
310-564 1 Santa Monica: Santa Monica DA CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730      
310-564 2 Santa Monica: Santa Monica DA CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730      
310-564 3 Santa Monica: Santa Monica DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
310-564 4 Santa Monica: Santa Monica DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
310-564 5 Santa Monica: Santa Monica DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
310-564 6 Santa Monica: Santa Monica DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2009-08-17   
310-564 7 Santa Monica: Santa Monica DA CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730      
310-564 8 Santa Monica: Santa Monica DA CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730      
310-564 9 Santa Monica: Santa Monica DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
310-565 A El Segundo CA GRDNCA02KMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
310-565 0 El Segundo CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2021-05-24   
310-565 1 El Segundo CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2021-05-24   
310-565 2 El Segundo CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2021-02-24   
310-565 4 El Segundo CA GRDNCA02KMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2020-10-12   
310-565 5 El Segundo CA GRDNCA02KMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2020-10-12   
310-565 6 El Segundo CA GRDNCA02KMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2020-10-12   
310-565 7 El Segundo CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2021-02-24   
310-565 8 El Segundo CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2021-02-24   
310-565 9 El Segundo CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2021-02-15   

<< 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.ms

Like this site? We accept donations via PayPal.