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
530-330 8 Willows CA CHICCA01XQX  724   2011-05-12   
530-337 3 Montgomery Creek CA CHICCA01XQX  724   2017-09-09   
530-344 4 Placerville: West DA CA SCRMCA0121Z  726   2003-10-29   
530-346 5 Colfax: Colfax DA CA SCRMCA0121Z  726   2015-10-29   
530-351 7 Redding CA CHICCA01XQX  724   2005-09-30   
530-377 7 Cottonwood CA CHICCA01XQX  724   2010-11-28   
530-393 5 Williams CA SCRMCA0121Z  726   2015-07-17   
530-395 8 Redding CA CHICCA01XQX  724   2015-11-20   
530-402 A Woodland CA SCRMCA0121Z  726      
530-402 2 Woodland CA SCRMCA0121Z  726      
530-414 2 Truckee CA SCRMCA0121Z  726   2009-05-31   
530-418 3 North Yuba CA SCRMCA0121Z  726   2011-08-28   
530-433 A Chico CA CHICCA01XQX  724      
530-433 2 Chico CA CHICCA01XQX  724   2012-02-17   
530-437 3 Grimes CA SCRMCA0121Z  726   2015-07-17   
530-438 4 Maxwell CA SCRMCA0121Z  726   2015-07-17   
530-450 7 Auburn: Main DA CA SCRMCA0121Z  726   2018-12-16   
530-457 3 Georgetown CA SCRMCA0121Z  726   2011-05-16   
530-476 5 Arbuckle CA SCRMCA0121Z  726   2015-07-17   
530-491 5 Marysville CA SCRMCA0121Z  726   2014-07-12   
530-502 6 Princeton CA SCRMCA0121Z  726   2015-07-17   
530-539 6 South Tahoe CA SCRMCA0121Z  726   2017-02-14   
530-539 8 South Tahoe CA SCRMCA0121Z  726   2017-04-30   
530-558 3 Shingle Springs CA SCRMCA0121Z  726   2011-04-15   
530-599 7 Marysville CA SCRMCA0121Z  726   2019-04-14   
530-601 5 Davis CA SCRMCA0121Z  726   2005-04-28   
530-603 A Bangor CA CHICCA01XQX  724      
530-603 7 Bangor CA CHICCA01XQX  724   2007-02-02   
530-607 A Wheatland CA SCRMCA0121Z  726      
530-607 2 Wheatland CA SCRMCA0121Z  726   2018-12-20   
530-610 A Redding CA CHICCA01XQX  724      
530-610 3 Redding CA CHICCA01XQX  724   2022-07-25   
530-610 8 Redding CA CHICCA01XQX  724   2022-07-25   
530-617 A Live Oak CA SCRMCA0121Z  726      
530-617 8 Live Oak CA SCRMCA0121Z  726   2013-11-02   
530-619 3 Colusa CA SCRMCA0121Z  726   2012-11-05   
530-638 8 Redding CA CHICCA01XQX  724   2007-09-10   
530-642 6 Placerville: West DA CA SCRMCA0121Z  726   2018-10-25   
530-645 5 Marysville CA SCRMCA0121Z  726   2005-11-20   
530-650 A Woodland CA SCRMCA0121Z  726      
530-650 4 Woodland CA SCRMCA0121Z  726   2014-08-16   
530-652 2 Grass Valley: South DA CA SCRMCA0121Z  726   2011-08-28   
530-708 8 Alturas CA CHICCA01XQX  724   2011-03-18   
530-712 2 Oroville CA CHICCA01XQX  724   2011-05-12   
530-717 A Chico CA CHICCA01XQX  724      
530-717 2 Chico CA CHICCA01XQX  724   2011-01-15   
530-717 4 Chico CA CHICCA01XQX  724   2015-06-17   
530-746 7 Davis CA SCRMCA0121Z  726   2008-02-09   
530-748 4 Placerville: West DA CA SCRMCA0121Z  726   2011-04-15   
530-760 A Davis CA SCRMCA0121Z  726      

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

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