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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
310-575 4 West Los Angeles CA WLANCAXFDS1  2319 FRONTIER CALIFORNIA INC. 730      
310-575 5 West Los Angeles CA WLANCAXFDS1  2319 FRONTIER CALIFORNIA INC. 730      
310-575 6 West Los Angeles CA WLANCAXFDS1  2319 FRONTIER CALIFORNIA INC. 730      
310-575 7 West Los Angeles CA WLANCAXFDS1  2319 FRONTIER CALIFORNIA INC. 730      
310-575 8 West Los Angeles CA WLANCAXFDS1  2319 FRONTIER CALIFORNIA INC. 730      
310-575 9 West Los Angeles CA WLANCAXFDS1  2319 FRONTIER CALIFORNIA INC. 730      
310-576 A Santa Monica: Santa Monica DA CA SNMNCAXGDS0  2319 FRONTIER CALIFORNIA INC. 730      
310-577 A Santa Monica: Mar Vista DA CA PDRYCAXF82A  2319 FRONTIER CALIFORNIA INC. 730      
310-578 A Santa Monica: Mar Vista DA CA PDRYCAXF82A  2319 FRONTIER CALIFORNIA INC. 730      
310-579 A Malibu CA IRVECAEIDS2  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730      
310-579 0 Malibu CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2022-10-04   
310-579 1 Malibu CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2003-09-20   
310-579 2 Malibu CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2004-01-13   
310-579 3 Malibu CA AGORCA11DS0  7480 PACIFIC BELL (COMPETITIVE) 730   2011-08-02   
310-579 4 Malibu CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2009-04-02   
310-579 5 Malibu CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2006-07-22   
310-579 6 Malibu CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2013-05-08   
310-579 7 Malibu CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2006-10-10   
310-579 8 Malibu CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2005-01-25   
310-579 9 Malibu CA IRVECAEIDS2  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730      
310-580 A Santa Monica: Santa Monica DA CA LSANCARC80Z  9262 UTILITY TELECOM GROUP, LLC - CA 730      
310-581 A Santa Monica: Santa Monica DA CA SNMNCAXJ31K  2319 FRONTIER CALIFORNIA INC. 730      
310-582 A Santa Monica: Santa Monica DA CA WLANCAXH82J  2319 FRONTIER CALIFORNIA INC. 730      
310-582 0 Santa Monica: Santa Monica DA CA WLANCAXH82J  2319 FRONTIER CALIFORNIA INC. 730      
310-582 1 Santa Monica: Santa Monica DA CA WLANCAXH82J  2319 FRONTIER CALIFORNIA INC. 730      
310-582 2 Santa Monica: Santa Monica DA CA WLANCAXH82J  2319 FRONTIER CALIFORNIA INC. 730      
310-582 3 Santa Monica: Santa Monica DA CA WLANCAXH82J  2319 FRONTIER CALIFORNIA INC. 730      
310-582 4 Santa Monica: Santa Monica DA CA WLANCAXH82J  2319 FRONTIER CALIFORNIA INC. 730      
310-582 5 Santa Monica: Santa Monica DA CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2005-01-27   
310-582 6 Santa Monica: Santa Monica DA CA WLANCAXH82J  2319 FRONTIER CALIFORNIA INC. 730      
310-582 7 Santa Monica: Santa Monica DA CA WLANCAXH82J  2319 FRONTIER CALIFORNIA INC. 730      
310-582 8 Santa Monica: Santa Monica DA CA WLANCAXH82J  2319 FRONTIER CALIFORNIA INC. 730      
310-582 9 Santa Monica: Santa Monica DA CA WLANCAXH82J  2319 FRONTIER CALIFORNIA INC. 730      
310-583 A Santa Monica: Santa Monica DA CA LSANCARC80Z  6967 33 WIRELESS INC. 730      
310-584 A Santa Monica: Santa Monica DA CA WLANCAXHDS1  2319 FRONTIER CALIFORNIA INC. 730      
310-584 0 Santa Monica: Santa Monica DA CA WLANCAXHDS1  2319 FRONTIER CALIFORNIA INC. 730      
310-584 1 Santa Monica: Santa Monica DA CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-09-18   
310-584 2 Santa Monica: Santa Monica DA CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
310-584 3 Santa Monica: Santa Monica DA CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
310-584 4 Santa Monica: Santa Monica DA CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-09-18   
310-584 5 Santa Monica: Santa Monica DA CA WLANCAXHDS1  2319 FRONTIER CALIFORNIA INC. 730      
310-584 6 Santa Monica: Santa Monica DA CA SNMNCAXPX2Z  624H ONVOY SPECTRUM, LLC 730   2022-04-12   
310-584 7 Santa Monica: Santa Monica DA CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2006-06-04   
310-584 8 Santa Monica: Santa Monica DA CA LSANCA54ZMD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 730   2000-05-29   
310-584 9 Santa Monica: Santa Monica DA CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2000-05-19   
310-585 A Santa Monica: Santa Monica DA CA LSANCA039MD  6630 USA MOBILITY WIRELESS, INC. 730      
310-586 A Santa Monica: Santa Monica DA CA WLANCAXH82J  2319 FRONTIER CALIFORNIA INC. 730      
310-587 A Santa Monica: Santa Monica DA CA SNMNCAXGDS0  2319 FRONTIER CALIFORNIA INC. 730      
310-588 A Santa Monica: Santa Monica DA CA SHOKCA02KMD  6630 USA MOBILITY WIRELESS, INC. 730      
310-589 A Malibu CA MALBCAXF45K  2319 FRONTIER CALIFORNIA INC. 730      

<< 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 >>

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.