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: 424 [Rate centres in NPA 424] [Dial plan for NPA 424]

<< 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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
424-512 1 Beverly Hills CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2017-12-21   
424-512 2 Beverly Hills CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2017-12-21   
424-512 3 Beverly Hills CA   7139 TELEPORT COMMUNICATIONS GROUP - LOS ANGELES 730   2018-05-11   
424-512 4 Beverly Hills CA   649C ONVOY, LLC - CA 730   2019-03-24   
424-512 5 Beverly Hills CA   4733 PAETEC COMMUNICATIONS, INC. - CA 730   2017-04-17   
424-512 6 Beverly Hills CA   4733 PAETEC COMMUNICATIONS, INC. - CA 730   2017-04-17   
424-512 7 Beverly Hills CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2019-05-15   
424-512 8 Beverly Hills CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2019-07-24   
424-512 9 Beverly Hills CA   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2017-04-21   
424-521 A Compton: Compton DA CA   6529 T-MOBILE USA, INC. 730      
424-521 0 Compton: Compton DA CA   6529 T-MOBILE USA, INC. 730   2015-06-08   
424-521 1 Compton: Compton DA CA   6529 T-MOBILE USA, INC. 730   2015-06-08   
424-521 2 Compton: Compton DA CA   6529 T-MOBILE USA, INC. 730   2015-06-08   
424-521 3 Compton: Compton DA CA   6529 T-MOBILE USA, INC. 730   2015-06-08   
424-521 4 Compton: Compton DA CA   6529 T-MOBILE USA, INC. 730   2015-06-08   
424-521 5 Compton: Compton DA CA   6529 T-MOBILE USA, INC. 730   2015-06-08   
424-521 6 Compton: Compton DA CA   6529 T-MOBILE USA, INC. 730   2016-04-28   
424-521 7 Compton: Compton DA CA   6529 T-MOBILE USA, INC. 730   2016-04-28   
424-521 8 Compton: Compton DA CA   6529 T-MOBILE USA, INC. 730   2016-04-28   
424-521 9 Compton: Compton DA CA   6529 T-MOBILE USA, INC. 730   2015-06-08   
424-522 A Beverly Hills CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-522 0 Beverly Hills CA   7139 TELEPORT COMMUNICATIONS GROUP - LOS ANGELES 730   2017-07-14   
424-522 1 Beverly Hills CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2015-09-19   
424-522 2 Beverly Hills CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-09-22   
424-522 3 Beverly Hills CA   6529 T-MOBILE USA, INC. 730   2016-07-27   
424-522 4 Beverly Hills CA   6529 T-MOBILE USA, INC. 730   2016-07-27   
424-522 5 Beverly Hills CA   7139 TELEPORT COMMUNICATIONS GROUP - LOS ANGELES 730   2015-09-28   
424-522 6 Beverly Hills CA   6529 T-MOBILE USA, INC. 730   2016-07-27   
424-522 7 Beverly Hills CA   4733 PAETEC COMMUNICATIONS, INC. - CA 730   2015-09-20   
424-522 8 Beverly Hills CA   6529 T-MOBILE USA, INC. 730   2016-07-27   
424-522 9 Beverly Hills CA   6529 T-MOBILE USA, INC. 730   2016-07-27   
424-523 A Culver City CA   6529 T-MOBILE USA, INC. 730      
424-523 0 Culver City CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2015-08-17   
424-523 1 Culver City CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2016-07-29   
424-523 2 Culver City CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-02-22   
424-523 3 Culver City CA   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2016-02-17   
424-523 4 Culver City CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2016-12-13   
424-523 5 Culver City CA   649C ONVOY, LLC - CA 730   2016-10-14   
424-523 6 Culver City CA   7139 TELEPORT COMMUNICATIONS GROUP - LOS ANGELES 730   2016-09-09   
424-523 7 Culver City CA   7453 U.S. TELEPACIFIC CORP. - CA 730   2016-10-10   
424-523 8 Culver City CA   649C ONVOY, LLC - CA 730   2016-10-14   
424-523 9 Culver City CA   6529 T-MOBILE USA, INC. 730   2015-06-04   
424-526 A Santa Monica: Mar Vista DA CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-526 0 Santa Monica: Mar Vista DA CA   899D METROPCS NETWORKS, LLC 730   2015-09-05   
424-526 1 Santa Monica: Mar Vista DA CA   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2016-06-10   
424-526 2 Santa Monica: Mar Vista DA CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2015-08-17   
424-526 3 Santa Monica: Mar Vista DA CA   649C ONVOY, LLC - CA 730   2016-01-13   
424-526 4 Santa Monica: Mar Vista DA CA   649C ONVOY, LLC - CA 730   2016-02-26   
424-526 5 Santa Monica: Mar Vista DA CA   649C ONVOY, LLC - CA 730   2016-02-26   
424-526 6 Santa Monica: Mar Vista DA CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-08-18   

<< 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 >>

Last updated: Sat, 14 Sep 2019 01:44:23 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.