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.

OCN: 3402 CITIZENS TELECOMM DBA FRONTIER COMM GOLDEN STATE

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
530-256 A Westwood CA WSWDCAXFDS0  724      
530-256 0 Westwood CA WSWDCAXFDS0  724      
530-256 1 Westwood CA WSWDCAXFDS0  724   2010-04-12   
530-256 2 Westwood CA WSWDCAXFDS0  724      
530-256 3 Westwood CA WSWDCAXFDS0  724      
530-437 A Grimes CA GRMSCAXFRS0  726      
530-437 0 Grimes CA GRMSCAXFRS0  726      
530-437 2 Grimes CA GRMSCAXFRS0  726      
530-438 A Maxwell CA MXWLCAXFRS0  726      
530-438 0 Maxwell CA MXWLCAXFRS0  726      
530-438 2 Maxwell CA MXWLCAXFRS0  726      
530-439 A Princeton CA PRTNCAXFRS0  726      
530-439 0 Princeton CA PRTNCAXFRS0  726      
530-439 2 Princeton CA PRTNCAXFRS0  726      
530-458 A Colusa CA COLSCAXFDS0  726      
530-458 0 Colusa CA COLSCAXFDS0  726      
530-458 2 Colusa CA COLSCAXFDS0  726      
530-458 3 Colusa CA COLSCAXFDS0  726      
530-458 4 Colusa CA COLSCAXFDS0  726      
530-458 5 Colusa CA COLSCAXFDS0  726      
530-458 6 Colusa CA COLSCAXFDS0  726      
530-458 7 Colusa CA COLSCAXFDS0  726      
530-458 8 Colusa CA COLSCAXFDS0  726      
530-473 A Williams CA WLMSCAXFDS0  726      
530-473 0 Williams CA WLMSCAXFDS0  726      
530-473 1 Williams CA WLMSCAXFDS0  726      
530-473 2 Williams CA WLMSCAXFDS0  726      
530-473 3 Williams CA WLMSCAXFDS0  726      
530-473 4 Williams CA WLMSCAXFDS0  726      
530-473 5 Williams CA WLMSCAXFDS0  726      
530-476 A Arbuckle CA ARBCCAXFDS0  726      
530-476 0 Arbuckle CA ARBCCAXFDS0  726      
530-476 2 Arbuckle CA ARBCCAXFDS0  726      
530-476 3 Arbuckle CA ARBCCAXFDS0  726      
530-596 A Lake Almanor CA LKARCAXFRS1  724      
530-596 0 Lake Almanor CA LKARCAXFRS1  724      
530-596 3 Lake Almanor CA LKARCAXFRS1  724      
530-596 4 Lake Almanor CA LKARCAXFRS1  724      
530-596 6 Lake Almanor CA LKARCAXFRS1  724      
760-326 A Needles CA NDLSCAXGDS0  730      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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