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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
424-228 3 Santa Monica: Mar Vista DA CA SNANCALWDS1  7262 XO CALIFORNIA, INC. 730   2010-01-08   
424-228 4 Santa Monica: Mar Vista DA CA SNMNCAXPXJY  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2007-07-25   
424-228 5 Santa Monica: Mar Vista DA CA SNMNCAXPXJY  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2007-07-25   
424-228 6 Santa Monica: Mar Vista DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2009-10-12   
424-228 7 Santa Monica: Mar Vista DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-04-30   
424-228 8 Santa Monica: Mar Vista DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2012-11-25   
424-228 9 Santa Monica: Mar Vista DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2008-06-25   
424-229 A Santa Monica: Santa Monica DA CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730      
424-229 0 Santa Monica: Santa Monica DA CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2007-07-01   
424-229 1 Santa Monica: Santa Monica DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2008-11-19   
424-229 2 Santa Monica: Santa Monica DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2008-11-19   
424-229 3 Santa Monica: Santa Monica DA CA IRVECAEIDS2  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730   2009-01-05   
424-229 4 Santa Monica: Santa Monica DA CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2009-12-28   
424-229 5 Santa Monica: Santa Monica DA CA SNMNCAXPXJY  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2016-10-06   
424-229 6 Santa Monica: Santa Monica DA CA ANHMCANGDS0  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2007-07-26   
424-229 7 Santa Monica: Santa Monica DA CA ANHMCANGDS0  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2008-09-30   
424-229 8 Santa Monica: Santa Monica DA CA ANHMCANGDS0  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2008-09-30   
424-229 9 Santa Monica: Santa Monica DA CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2007-09-19   
424-230 A Beverly Hills CA BRBNCAIZ9MD  6664 SPRINT SPECTRUM, L.P. 730      
424-230 0 Beverly Hills CA LSANCA03DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2007-12-03   
424-230 1 Beverly Hills CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2011-04-04   
424-230 2 Beverly Hills CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2007-10-16   
424-230 3 Beverly Hills CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2008-08-09   
424-230 4 Beverly Hills CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2008-01-19   
424-230 5 Beverly Hills CA ANHMCANGDS0  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2008-07-30   
424-230 6 Beverly Hills CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2008-08-31   
424-230 7 Beverly Hills CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2009-06-17   
424-230 8 Beverly Hills CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2008-08-16   
424-230 9 Beverly Hills CA BRBNCAIZ9MD  6664 SPRINT SPECTRUM, L.P. 730   2007-10-07   
424-231 A Santa Monica: Santa Monica DA CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-231 0 Santa Monica: Santa Monica DA CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2010-07-26   
424-231 1 Santa Monica: Santa Monica DA CA ANHMCANGDS0  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2010-08-13   
424-231 2 Santa Monica: Santa Monica DA CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2010-12-23   
424-231 3 Santa Monica: Santa Monica DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-09-30   
424-231 4 Santa Monica: Santa Monica DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-10-28   
424-231 5 Santa Monica: Santa Monica DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-10-28   
424-231 6 Santa Monica: Santa Monica DA CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2010-12-23   
424-231 7 Santa Monica: Santa Monica DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2010-08-16   
424-231 8 Santa Monica: Santa Monica DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2010-11-26   
424-231 9 Santa Monica: Santa Monica DA CA WLANCA01DS0  7480 PACIFIC BELL (COMPETITIVE) 730   2010-12-29   
424-232 A Compton: Gardena DA CA IRVNCAAG8MD  6664 SPRINT SPECTRUM, L.P. 730      
424-232 0 Compton: Gardena DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2008-07-30   
424-232 1 Compton: Gardena DA CA IRVNCAAG8MD  6664 SPRINT SPECTRUM, L.P. 730   2007-10-08   
424-232 2 Compton: Gardena DA CA IRVNCAAG8MD  6664 SPRINT SPECTRUM, L.P. 730   2007-10-08   
424-232 3 Compton: Gardena DA CA IRVNCAAG8MD  6664 SPRINT SPECTRUM, L.P. 730   2007-10-08   
424-232 4 Compton: Gardena DA CA IRVNCAAG8MD  6664 SPRINT SPECTRUM, L.P. 730   2007-10-08   
424-232 5 Compton: Gardena DA CA IRVNCAAG8MD  6664 SPRINT SPECTRUM, L.P. 730   2007-10-08   
424-232 6 Compton: Gardena DA CA IRVNCAAG8MD  6664 SPRINT SPECTRUM, L.P. 730   2007-10-08   
424-232 7 Compton: Gardena DA CA IRVNCAAG8MD  6664 SPRINT SPECTRUM, L.P. 730   2007-10-08   
424-232 8 Compton: Gardena DA CA LSANCA54DS0  8782 ALLEGIANCE TELECOM, INC. - CA 730   2008-07-30   

<< 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 >>

Last updated: Fri, 10 Sep 2021 12:38:21 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.