Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
530-760 2 Davis CA SCRMCA0121Z  726      
530-763 9 Marysville CA SCRMCA0121Z  726   2012-01-12   
530-772 3 Challenge CA CHICCA01XQX  724   2017-06-09   
530-776 6 Anderson CA CHICCA01XQX  724   2005-12-05   
530-781 A Chico CA CHICCA01XQX  724      
530-781 1 Chico CA CHICCA01XQX  724   2005-10-16   
530-791 A Anderson CA CHICCA01XQX  724      
530-791 5 Anderson CA CHICCA01XQX  724   2022-08-15   
530-791 8 Anderson CA CHICCA01XQX  724   2022-08-15   
530-794 3 Winters CA SCRMCA0121Z  726   2014-07-02   
530-797 8 Gridley CA SCRMCA0121Z  726   2012-09-16   
530-798 2 Grass Valley: Main DA CA SCRMCA0121Z  726   2005-12-05   
530-808 A Davis CA SCRMCA0121Z  726      
530-808 4 Davis CA SCRMCA0121Z  726   2022-08-15   
530-808 7 Davis CA SCRMCA0121Z  726   2022-08-15   
530-809 3 Chico CA CHICCA01XQX  724   2008-03-08   
530-810 A Biggs CA CHICCA01XQX  724      
530-810 4 Biggs CA   724   2022-08-18   
530-810 7 Biggs CA CHICCA01XQX  724   2022-08-18   
530-834 A Grass Valley: Main DA CA SCRMCA0121Z  726      
530-834 7 Grass Valley: Main DA CA SCRMCA0121Z  726   2022-08-18   
530-834 8 Grass Valley: Main DA CA SCRMCA0121Z  726   2022-08-18   
530-838 6 Corning CA CHICCA01XQX  724   2013-07-12   
530-840 2 Red Bluff CA CHICCA01XQX  724   2012-11-05   
530-856 A Chico CA CHICCA01XQX  724      
530-856 2 Chico CA CHICCA01XQX  724   2022-08-01   
530-856 7 Chico CA CHICCA01XQX  724   2022-08-01   
530-863 2 Auburn: Main DA CA SCRMCA0121Z  726   2012-11-19   
530-863 4 Auburn: Main DA CA SCRMCA0121Z  726   2008-02-13   
530-924 2 Chico CA CHICCA01XQX  724   2009-05-31   
530-936 6 Orland CA CHICCA01XQX  724   2011-05-12   
530-955 2 Nevada City CA SCRMCA0121Z  726   2015-11-23   
530-962 6 Shasta Lake CA CHICCA01XQX  724   2017-06-30   
530-990 7 Oroville CA CHICCA01XQX  724   2007-02-14   
559-201 5 Chowchilla CA SKTNCA01XXZ  738   2005-12-05   
559-203 6 Clovis CA FRSNCA0112Z  728   2011-12-12   
559-212 A Hanford CA FRSNCA0112Z  728      
559-212 2 Hanford CA FRSNCA0112Z  728      
559-214 4 Fresno CA FRSNCA0112Z  728   2016-08-28   
559-218 A Fresno CA FRSNCA0112Z  728      
559-218 4 Fresno CA FRSNCA0112Z  728   2022-07-25   
559-218 7 Fresno CA FRSNCA0112Z  728   2022-07-25   
559-238 6 Kingsburg CA FRSNCA0112Z  728   2005-12-05   
559-239 3 Lindsay CA FRSNCA0112Z  728   2013-10-27   
559-302 5 Visalia CA FRSNCA0112Z  728   2013-07-12   
559-306 1 Porterville CA FRSNCA0112Z  728   2005-12-05   
559-320 A Fresno CA FRSNCA0112Z  728      
559-320 0 Fresno CA FRSNCA0112Z  728      
559-320 1 Fresno CA FRSNCA0112Z  728      
559-320 2 Fresno CA FRSNCA0112Z  728      

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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