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
530-346 5 Colfax: Colfax DA CA   726   2015-10-29   
530-351 7 Redding CA   724   2005-09-30   
530-377 7 Cottonwood CA   724   2010-11-28   
530-393 5 Williams CA   726   2015-07-17   
530-395 8 Redding CA   724   2015-11-20   
530-402 A Woodland CA SCRMCA0121Z  726      
530-402 2 Woodland CA   726      
530-414 2 Truckee CA   726   2009-05-31   
530-418 3 North Yuba CA   726   2011-08-28   
530-433 A Chico CA CHICCA01XQX  724      
530-433 2 Chico CA   724   2012-02-17   
530-437 3 Grimes CA   726   2015-07-17   
530-438 4 Maxwell CA   726   2015-07-17   
530-450 7 Auburn: Main DA CA   726   2018-12-16   
530-457 3 Georgetown CA   726   2011-05-16   
530-476 5 Arbuckle CA   726   2015-07-17   
530-491 5 Marysville CA   726   2014-07-12   
530-502 6 Princeton CA   726   2015-07-17   
530-539 6 South Tahoe CA   726   2017-02-14   
530-539 8 South Tahoe CA   726   2017-04-30   
530-558 3 Shingle Springs CA   726   2011-04-15   
530-599 7 Marysville CA   726   2019-04-14   
530-601 5 Davis CA   726   2005-04-28   
530-603 A Bangor CA CHICCA01XQX  724      
530-603 7 Bangor CA   724   2007-02-02   
530-607 A Wheatland CA SCRMCA0121Z  726      
530-607 2 Wheatland CA   726   2018-12-20   
530-610 A Redding CA CHICCA01XQX  724      
530-610 3 Redding CA   724   2022-07-25   
530-610 8 Redding CA   724   2022-07-25   
530-617 A Live Oak CA SCRMCA0121Z  726      
530-617 8 Live Oak CA   726   2013-11-02   
530-619 3 Colusa CA   726   2012-11-05   
530-638 8 Redding CA   724   2007-09-10   
530-642 6 Placerville: West DA CA   726   2018-10-25   
530-645 5 Marysville CA   726   2005-11-20   
530-650 A Woodland CA SCRMCA0121Z  726      
530-650 4 Woodland CA   726   2014-08-16   
530-652 2 Grass Valley: South DA CA   726   2011-08-28   
530-708 8 Alturas CA   724   2011-03-18   
530-712 2 Oroville CA   724   2011-05-12   
530-717 A Chico CA CHICCA01XQX  724      
530-717 2 Chico CA   724   2011-01-15   
530-717 4 Chico CA   724   2015-06-17   
530-746 7 Davis CA   726   2008-02-09   
530-748 4 Placerville: West DA CA   726   2011-04-15   
530-760 A Davis CA SCRMCA0121Z  726      
530-760 2 Davis CA   726      
530-763 9 Marysville CA   726   2012-01-12   
530-772 3 Challenge CA   724   2017-06-09   

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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