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.
region:

NPA: 530 [Rate centres in NPA 530] [Dial plan for NPA 530]

NXX: 433

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-433 A Chico CA CHICCA01YMD  7453 U.S. TELEPACIFIC CORP. - CA 724   2012-02-17   
530-433 0 Chico CA   981E BANDWIDTH.COM CLEC, LLC - CA 724   2012-05-04   
530-433 1 Chico CA   981E BANDWIDTH.COM CLEC, LLC - CA 724   2013-05-10   
530-433 2 Chico CA   7453 U.S. TELEPACIFIC CORP. - CA 724   2012-02-17   
530-433 3 Chico CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 724   2012-08-06   
530-433 4 Chico CA   981E BANDWIDTH.COM CLEC, LLC - CA 724   2013-05-10   
530-433 5 Chico CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 724   2012-07-25   
530-433 6 Chico CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 724   2014-09-04   
530-433 7 Chico CA   8322 MPOWER COMMUNICATIONS CORP - CA 724   2014-05-11   
530-433 8 Chico CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 724   2014-10-04   
530-433 9 Chico CA   981E BANDWIDTH.COM CLEC, LLC - CA 724   2015-05-07   

Last updated: Sat, 31 Oct 2020 19:28:10 UTC

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