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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
424-901 4 West Los Angeles CA LSANCARC80Z  9262 UTILITY TELECOM GROUP, LLC - CA 730   2006-09-05   
424-901 5 West Los Angeles CA BRBNCAIZ9MD  6664 SPRINT SPECTRUM, L.P. 730   2007-01-25   
424-901 6 West Los Angeles CA LNBHCATVDS0  7262 XO CALIFORNIA, INC. 730   2007-07-30   
424-901 7 West Los Angeles CA LNBHCATVDS0  7262 XO CALIFORNIA, INC. 730   2007-07-30   
424-901 8 West Los Angeles CA LNBHCATVDS0  7262 XO CALIFORNIA, INC. 730   2006-09-15   
424-901 9 West Los Angeles CA BRBNCAIZ9MD  6664 SPRINT SPECTRUM, L.P. 730   2006-09-01   
424-902 A Santa Monica: Santa Monica DA CA SNMNCAXPX2Z  624H ONVOY SPECTRUM, LLC 730   2022-01-15   
424-902 0 Santa Monica: Santa Monica DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2022-01-16   
424-902 1 Santa Monica: Santa Monica DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2022-01-16   
424-902 2 Santa Monica: Santa Monica DA CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2022-03-23   
424-902 3 Santa Monica: Santa Monica DA CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2022-04-25   
424-902 4 Santa Monica: Santa Monica DA CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2022-05-25   
424-902 5 Santa Monica: Santa Monica DA CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2022-07-25   
424-902 8 Santa Monica: Santa Monica DA CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2022-02-27   
424-902 9 Santa Monica: Santa Monica DA CA SNMNCAXPX2Z  624H ONVOY SPECTRUM, LLC 730   2022-01-15   
424-903 A Redondo CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-903 0 Redondo CA ALVJCABBDS0  7661 COX CALIFORNIA TELCOM, L.L.C. - CA 730   2016-10-06   
424-903 1 Redondo CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2007-02-03   
424-903 2 Redondo CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2007-02-03   
424-903 3 Redondo CA LNBHCATVDS0  7262 XO CALIFORNIA, INC. 730   2007-08-10   
424-903 4 Redondo CA GRDNCA01DS0  7480 PACIFIC BELL (COMPETITIVE) 730   2007-09-08   
424-903 5 Redondo CA SFSPCAPO8MD  6664 SPRINT SPECTRUM, L.P. 730   2007-08-31   
424-903 6 Redondo CA SFSPCAPO8MD  6664 SPRINT SPECTRUM, L.P. 730   2007-08-31   
424-903 7 Redondo CA IRVECAJTDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730   2007-04-23   
424-903 8 Redondo CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2008-07-01   
424-903 9 Redondo CA SFSPCAPO8MD  6664 SPRINT SPECTRUM, L.P. 730   2007-08-31   
424-944 A Beverly Hills CA   965H FRACTEL LLC 730   2022-05-22   
424-944 0 Beverly Hills CA   6529 T-MOBILE USA, INC. 730   2022-05-27   
424-944 1 Beverly Hills CA   6529 T-MOBILE USA, INC. 730   2022-05-27   
424-944 2 Beverly Hills CA   6529 T-MOBILE USA, INC. 730   2022-05-27   
424-944 3 Beverly Hills CA   6529 T-MOBILE USA, INC. 730   2022-05-27   
424-944 4 Beverly Hills CA   965H FRACTEL LLC 730   2022-05-22   
424-944 5 Beverly Hills CA   6529 T-MOBILE USA, INC. 730   2022-05-27   
424-944 6 Beverly Hills CA   6529 T-MOBILE USA, INC. 730   2022-05-27   
424-944 7 Beverly Hills CA   6529 T-MOBILE USA, INC. 730   2022-05-27   
424-944 8 Beverly Hills CA   6529 T-MOBILE USA, INC. 730   2022-05-27   
424-944 9 Beverly Hills CA   6529 T-MOBILE USA, INC. 730   2022-05-27   
424-946 A West Los Angeles CA LSANCAJWIMD  965H FRACTEL LLC 730      
424-946 0 West Los Angeles CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2020-08-01   
424-946 1 West Los Angeles CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-08-08   
424-946 2 West Los Angeles CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2021-07-20   
424-946 3 West Los Angeles CA LSANCAJWIMD  965H FRACTEL LLC 730   2020-07-26   
424-946 4 West Los Angeles CA SNMNCAXPX1Z  506J TWILIO INTERNATIONAL INC 730   2020-10-20   
424-946 5 West Los Angeles CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-05-27   
424-946 6 West Los Angeles CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-05-27   
424-946 7 West Los Angeles CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2020-07-27   
424-946 8 West Los Angeles CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2020-07-27   
424-946 9 West Los Angeles CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2020-07-27   
424-955 A Compton: Compton DA CA LSANCAJWIMD  965H FRACTEL LLC 730   2021-11-20   
424-955 0 Compton: Compton DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2021-11-21   

<< 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 >>

Last updated: Fri, 13 May 2022 22:16:13 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.