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
310-424 2 Beverly Hills CA ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2006-03-26   
310-424 3 Beverly Hills CA ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2006-03-26   
310-424 4 Beverly Hills CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2006-03-27   
310-424 5 Beverly Hills CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2006-03-27   
310-424 6 Beverly Hills CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2021-04-25   
310-424 7 Beverly Hills CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2006-03-27   
310-424 8 Beverly Hills CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2006-09-13   
310-424 9 Beverly Hills CA LSANCAJWDS5  258E YMAX COMMUNICATIONS CORP. - CA 730   2007-07-29   
310-425 A Culver City CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
310-425 0 Culver City CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2005-11-20   
310-425 1 Culver City CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2006-08-30   
310-425 2 Culver City CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2005-11-21   
310-425 3 Culver City CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2006-05-08   
310-425 4 Culver City CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2006-06-19   
310-425 5 Culver City CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2005-11-28   
310-425 6 Culver City CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2006-06-19   
310-425 7 Culver City CA LSANCA54ZMD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 730   2006-01-13   
310-425 8 Culver City CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2008-06-15   
310-425 9 Culver City CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2006-01-23   
310-426 A El Segundo CA ELSGCA12DS0  9740 PACIFIC BELL 730      
310-426 0 El Segundo CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2007-03-09   
310-426 1 El Segundo CA ELSGCA12DS0  9740 PACIFIC BELL 730      
310-426 2 El Segundo CA ELSGCA12DS0  9740 PACIFIC BELL 730      
310-426 3 El Segundo CA ELSGCA12DS0  9740 PACIFIC BELL 730      
310-426 4 El Segundo CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2006-12-08   
310-426 5 El Segundo CA ELSGCA12DS0  9740 PACIFIC BELL 730      
310-426 6 El Segundo CA ELSGCA12DS0  9740 PACIFIC BELL 730      
310-426 7 El Segundo CA ELSGCA12DS0  9740 PACIFIC BELL 730      
310-426 8 El Segundo CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-05-21   
310-426 9 El Segundo CA ELSGCA12DS0  9740 PACIFIC BELL 730      
310-427 A San Pedro CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
310-427 0 San Pedro CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
310-427 1 San Pedro CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
310-427 2 San Pedro CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2004-05-08   
310-427 3 San Pedro CA ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2000-04-05   
310-427 4 San Pedro CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2003-10-22   
310-427 5 San Pedro CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2003-10-29   
310-427 6 San Pedro CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2002-01-25   
310-427 7 San Pedro CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2001-05-30   
310-427 8 San Pedro CA IRVECAJTDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730   2000-04-10   
310-427 9 San Pedro CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2004-05-08   
310-428 A Santa Monica: Santa Monica DA CA   899D METROPCS NETWORKS, LLC 730      
310-428 0 Santa Monica: Santa Monica DA CA   6529 T-MOBILE USA, INC. 730      
310-428 1 Santa Monica: Santa Monica DA CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730      
310-428 2 Santa Monica: Santa Monica DA CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730      
310-428 3 Santa Monica: Santa Monica DA CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730      
310-428 4 Santa Monica: Santa Monica DA CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730      
310-428 5 Santa Monica: Santa Monica DA CA   6529 T-MOBILE USA, INC. 730      
310-428 6 Santa Monica: Santa Monica DA CA   6529 T-MOBILE USA, INC. 730      
310-428 7 Santa Monica: Santa Monica DA CA   6529 T-MOBILE USA, 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.