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: 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
209-841 3 Oakdale CA SKTNCA01XXZ  738   2015-03-21   
209-843 2 Galt CA SKTNCA01XXZ  738   2015-09-03   
209-846 6 Modesto CA SKTNCA01XXZ  738   2007-03-10   
209-846 7 Modesto CA SKTNCA01XXZ  738   2007-03-10   
209-846 8 Modesto CA SKTNCA01XXZ  738   2007-03-10   
209-857 4 Modesto CA SKTNCA01XXZ  738   2014-06-14   
209-863 6 Riverbank CA SKTNCA01XXZ  738   2005-12-05   
209-874 7 Waterford: Main DA CA SKTNCA01XXZ  738   2013-04-07   
209-879 6 Tracy CA SKTNCA01XXZ  738      
209-881 5 Knights Ferry CA SKTNCA01XXZ  738   2015-09-04   
209-888 6 Stockton CA SKTNCA01XXZ  738   2006-08-07   
209-894 4 Patterson CA SKTNCA01XXZ  738   2015-09-04   
209-923 8 Manteca CA SKTNCA01XXZ  738   2008-09-11   
209-924 1 Ripon CA SKTNCA01XXZ  738   2005-07-22   
209-940 1 Stockton CA SKTNCA01XXZ  738      
209-940 4 Stockton CA SKTNCA01XXZ  738      
209-940 5 Stockton CA SKTNCA01XXZ  738   2012-01-09   
209-940 6 Stockton CA SKTNCA01XXZ  738      
209-971 A Modesto CA SKTNCA01XXZ  738      
209-971 5 Modesto CA SKTNCA01XXZ  738   2022-08-25   
209-971 8 Modesto CA SKTNCA01XXZ  738   2022-08-25   
210-447 A San Antonio TX SNANTX91XMY  566      
210-447 0 San Antonio TX SNANTX91XMY  566      
210-447 1 San Antonio TX SNANTX91XMY  566      
210-447 2 San Antonio TX SNANTX91XMY  566      
210-447 3 San Antonio TX SNANTX91XMY  566      
210-447 8 San Antonio TX SNANTX91XMY  566      
210-447 9 San Antonio TX SNANTX91XMY  566      
210-448 A San Antonio TX SNANTX91XMY  566      
210-457 A San Antonio TX SNANTX91XMY  566      
210-457 0 San Antonio TX SNANTX91XMY  566      
210-457 1 San Antonio TX SNANTX91XMY  566      
210-457 2 San Antonio TX SNANTX91XMY  566      
210-457 3 San Antonio TX SNANTX91XMY  566      
210-457 4 San Antonio TX SNANTX91XMY  566      
210-457 5 San Antonio TX SNANTX91XMY  566      
210-457 6 San Antonio TX SNANTX91XMY  566      
210-457 7 San Antonio TX SNANTX91XMY  566      
210-457 8 San Antonio TX SNANTX91XMY  566      
210-576 A San Antonio TX SNANTX91XMY  566      
210-576 0 San Antonio TX SNANTX91XMY  566      
210-576 1 San Antonio TX SNANTX91XMY  566      
210-576 2 San Antonio TX SNANTX91XMY  566      
210-576 3 San Antonio TX SNANTX91XMY  566      
210-576 4 San Antonio TX SNANTX91XMY  566      
210-576 5 San Antonio TX SNANTX91XMY  566      
210-576 6 San Antonio TX SNANTX91XMY  566      
210-576 7 San Antonio TX SNANTX91XMY  566      
210-576 8 San Antonio TX SNANTX91XMY  566      
210-933 A San Antonio TX SNANTX91XMY  566      

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

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