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 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
424-383 8 Redondo CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2015-01-15   
424-383 9 Redondo CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2015-01-15   
424-384 A Santa Monica: Mar Vista DA CA LSANCA03DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
424-384 0 Santa Monica: Mar Vista DA CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2015-03-29   
424-384 1 Santa Monica: Mar Vista DA CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2015-04-30   
424-384 2 Santa Monica: Mar Vista DA CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2015-06-07   
424-384 3 Santa Monica: Mar Vista DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-06-15   
424-384 4 Santa Monica: Mar Vista DA CA   515J IP HORIZON LLC 730   2015-07-03   
424-384 5 Santa Monica: Mar Vista DA CA SNMNCAXPXJY  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2015-06-24   
424-384 6 Santa Monica: Mar Vista DA CA LSANCA03DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2015-03-16   
424-384 7 Santa Monica: Mar Vista DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2015-05-15   
424-384 8 Santa Monica: Mar Vista DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2015-03-25   
424-384 9 Santa Monica: Mar Vista DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-03-23   
424-385 A Culver City CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
424-385 0 Culver City CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2015-04-30   
424-385 1 Culver City CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2015-04-17   
424-385 2 Culver City CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2015-04-17   
424-385 3 Culver City CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2015-04-17   
424-385 4 Culver City CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2015-04-17   
424-385 5 Culver City CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2015-04-17   
424-385 6 Culver City CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2015-03-22   
424-385 7 Culver City CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2015-03-22   
424-385 8 Culver City CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2015-03-22   
424-385 9 Culver City CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2015-03-21   
424-386 A Beverly Hills CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
424-386 0 Beverly Hills CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2015-04-24   
424-386 1 Beverly Hills CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2015-04-24   
424-386 2 Beverly Hills CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2015-04-24   
424-386 3 Beverly Hills CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-04-20   
424-386 4 Beverly Hills CA LSANCA03DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2015-05-04   
424-386 5 Beverly Hills CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2015-04-17   
424-386 6 Beverly Hills CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2015-04-17   
424-386 7 Beverly Hills CA   515J IP HORIZON LLC 730   2015-10-16   
424-386 8 Beverly Hills CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2015-04-17   
424-386 9 Beverly Hills CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2015-04-17   
424-387 A Santa Monica: Santa Monica DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
424-387 0 Santa Monica: Santa Monica DA CA   515J IP HORIZON LLC 730   2015-05-21   
424-387 1 Santa Monica: Santa Monica DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-07-13   
424-387 2 Santa Monica: Santa Monica DA CA   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2015-07-25   
424-387 3 Santa Monica: Santa Monica DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2015-06-13   
424-387 4 Santa Monica: Santa Monica DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2015-06-13   
424-387 5 Santa Monica: Santa Monica DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2015-04-11   
424-387 6 Santa Monica: Santa Monica DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2015-04-26   
424-387 7 Santa Monica: Santa Monica DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2015-04-26   
424-387 8 Santa Monica: Santa Monica DA CA SNMNCAXPXJY  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2015-04-27   
424-387 9 Santa Monica: Santa Monica DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2015-03-22   
424-388 A Malibu CA IRVECAEIDS2  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730      
424-388 0 Malibu CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2016-09-12   
424-388 1 Malibu CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2016-09-12   
424-388 2 Malibu CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2017-06-09   

<< 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 >>

Last updated: Sat, 25 Feb 2023 02:10:49 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.