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
424-278 3 Beverly Hills CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2011-09-01   
424-278 4 Beverly Hills CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2012-08-26   
424-278 5 Beverly Hills CA   6529 T-MOBILE USA, INC. 730   2012-07-31   
424-278 6 Beverly Hills CA   4733 PAETEC COMMUNICATIONS, INC. - CA 730   2012-08-09   
424-278 7 Beverly Hills CA   4733 PAETEC COMMUNICATIONS, INC. - CA 730   2012-08-09   
424-278 8 Beverly Hills CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2011-09-01   
424-278 9 Beverly Hills CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2012-10-05   
424-279 A Beverly Hills CA GRDNCA01PS1  206C CBEYOND COMMUNICATIONS, LLC - CA 730   2011-09-09   
424-279 0 Beverly Hills CA   6529 T-MOBILE USA, INC. 730   2011-11-11   
424-279 1 Beverly Hills CA   206C CBEYOND COMMUNICATIONS, LLC - CA 730   2011-09-09   
424-279 2 Beverly Hills CA   6529 T-MOBILE USA, INC. 730   2011-11-09   
424-279 3 Beverly Hills CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2012-09-17   
424-279 4 Beverly Hills CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2012-09-17   
424-279 5 Beverly Hills CA   649C ONVOY, LLC - CA 730   2012-05-19   
424-279 6 Beverly Hills CA   649C ONVOY, LLC - CA 730   2012-05-19   
424-279 7 Beverly Hills CA   649C ONVOY, LLC - CA 730   2012-05-19   
424-279 8 Beverly Hills CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2012-05-31   
424-279 9 Beverly Hills CA   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2012-07-06   
424-280 A Santa Monica: Santa Monica DA CA LSAOCAGXCMN  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2011-10-28   
424-280 0 Santa Monica: Santa Monica DA CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2011-10-28   
424-280 1 Santa Monica: Santa Monica DA CA   206C CBEYOND COMMUNICATIONS, LLC - CA 730   2012-01-05   
424-280 2 Santa Monica: Santa Monica DA CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2012-07-11   
424-280 3 Santa Monica: Santa Monica DA CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2012-01-06   
424-280 4 Santa Monica: Santa Monica DA CA   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2013-08-22   
424-280 5 Santa Monica: Santa Monica DA CA   7453 U.S. TELEPACIFIC CORP. - CA 730   2012-01-09   
424-280 6 Santa Monica: Santa Monica DA CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2012-06-02   
424-280 7 Santa Monica: Santa Monica DA CA   4733 PAETEC COMMUNICATIONS, INC. - CA 730   2012-06-13   
424-280 8 Santa Monica: Santa Monica DA CA   7139 TELEPORT COMMUNICATIONS GROUP - LOS ANGELES 730   2012-07-24   
424-280 9 Santa Monica: Santa Monica DA CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2012-08-20   
424-281 A Beverly Hills CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-09-18   
424-281 0 Beverly Hills CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-09-18   
424-281 1 Beverly Hills CA   4733 PAETEC COMMUNICATIONS, INC. - CA 730   2012-06-15   
424-281 2 Beverly Hills CA   7453 U.S. TELEPACIFIC CORP. - CA 730   2011-12-12   
424-281 3 Beverly Hills CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2011-12-23   
424-281 4 Beverly Hills CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2012-07-14   
424-281 5 Beverly Hills CA   7453 U.S. TELEPACIFIC CORP. - CA 730   2011-09-20   
424-281 6 Beverly Hills CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2012-06-16   
424-281 7 Beverly Hills CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2012-07-14   
424-281 8 Beverly Hills CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2011-12-08   
424-281 9 Beverly Hills CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2012-07-24   
424-282 A Redondo CA GRDNCA01PS1  206C CBEYOND COMMUNICATIONS, LLC - CA 730   2012-07-23   
424-282 0 Redondo CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2013-07-01   
424-282 1 Redondo CA   206C CBEYOND COMMUNICATIONS, LLC - CA 730   2012-07-23   
424-282 2 Redondo CA   7139 TELEPORT COMMUNICATIONS GROUP - LOS ANGELES 730   2013-01-11   
424-282 3 Redondo CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2013-07-01   
424-282 4 Redondo CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2013-07-01   
424-282 5 Redondo CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2013-07-01   
424-282 6 Redondo CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2013-07-01   
424-282 7 Redondo CA   7575 CENTURYLINK COMMUNICATIONS LLC 730   2013-03-13   
424-282 8 Redondo CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2013-03-25   

<< 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: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.