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.

Susanville, CA

<< 1 2

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
530-310 A CHICCACWCM1  6010 NEW CINGULAR WIRELESS PCS, LLC 724      
530-310 0 CHICCACWCM1  6010 NEW CINGULAR WIRELESS PCS, LLC 724      
530-310 1 CHICCACWCM1  6010 NEW CINGULAR WIRELESS PCS, LLC 724      
530-310 2 CHICCACWCM1  6010 NEW CINGULAR WIRELESS PCS, LLC 724      
530-310 3 CHICCACWCM1  6010 NEW CINGULAR WIRELESS PCS, LLC 724      
530-310 4 CHICCACWCM1  6010 NEW CINGULAR WIRELESS PCS, LLC 724      
530-310 5 CHICCACWCM1  6010 NEW CINGULAR WIRELESS PCS, LLC 724      
530-310 6 CHICCACWCM1  6010 NEW CINGULAR WIRELESS PCS, LLC 724      
530-310 7 CHICCACWCM1  6010 NEW CINGULAR WIRELESS PCS, LLC 724   2015-12-06   
530-310 8 CHICCACWCM1  6010 NEW CINGULAR WIRELESS PCS, LLC 724      
530-310 9 CHICCACWCM1  6010 NEW CINGULAR WIRELESS PCS, LLC 724      
530-931 A RDNGCAGA0MD  6261 UNITED STATES CELLULAR - CA 724      
530-931 0 RDNGCAGA0MD  6261 UNITED STATES CELLULAR - CA 724   2021-07-26   
530-931 3 CHICCA017MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 724   2020-05-09   
530-931 4 CHICCA01XMD  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 724   2017-09-01   
530-931 8 CHICCA01SMD  981E BANDWIDTH.COM CLEC, LLC - CA 724   2009-01-13   

<< 1 2

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.