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.

Switch: SKTNCA01XJY

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
209-208 A Knights Ferry CA 981E BANDWIDTH.COM CLEC, LLC - CA 738      
209-215 A Gustine CA 981E BANDWIDTH.COM CLEC, LLC - CA 738      
209-227 A Stockton CA 981E BANDWIDTH.COM CLEC, LLC - CA 738      
209-248 A Modesto CA 981E BANDWIDTH.COM CLEC, LLC - CA 738      
209-252 A Turlock CA 981E BANDWIDTH.COM CLEC, LLC - CA 738      
209-259 A Merced CA 981E BANDWIDTH.COM CLEC, LLC - CA 738      
209-260 A Herald CA 981E BANDWIDTH.COM CLEC, LLC - CA 738      
209-264 A Pinecrest CA 981E BANDWIDTH.COM CLEC, LLC - CA 738      
209-265 A Wallace CA 981E BANDWIDTH.COM CLEC, LLC - CA 738      
209-282 A Turlock CA 9748 AMERICAN MESSAGING SERVICES, LLC 738      
209-306 A San Andreas CA 981E BANDWIDTH.COM CLEC, LLC - CA 738      
209-319 A Tracy CA 981E BANDWIDTH.COM CLEC, LLC - CA 738      
209-344 A Modesto CA 6906 AMERICAN MESSAGING SERVICES, LLC 738      
209-353 A Modesto CA 981E BANDWIDTH.COM CLEC, LLC - CA 738      
209-396 A Sonora: Main DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 738      
209-428 A Angels Camp CA 9748 AMERICAN MESSAGING SERVICES, LLC 738      
209-431 A Jamestown CA 981E BANDWIDTH.COM CLEC, LLC - CA 738      
209-436 A Groveland CA 981E BANDWIDTH.COM CLEC, LLC - CA 738      
209-439 A Planada CA 981E BANDWIDTH.COM CLEC, LLC - CA 738      
209-441 A Waterford: Don Pedro DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 738      
209-448 A Hughson CA 981E BANDWIDTH.COM CLEC, LLC - CA 738      
209-457 A Ione CA 981E BANDWIDTH.COM CLEC, LLC - CA 738      
209-514 A Merced CA 9748 AMERICAN MESSAGING SERVICES, LLC 738      
209-516 A Los Banos CA 9748 AMERICAN MESSAGING SERVICES, LLC 738      
209-520 A Modesto CA 9748 AMERICAN MESSAGING SERVICES, LLC 738      
209-565 A Stockton CA 981E BANDWIDTH.COM CLEC, LLC - CA 738      
209-592 A Los Banos CA 981E BANDWIDTH.COM CLEC, LLC - CA 738      
209-615 A Stockton CA 9748 AMERICAN MESSAGING SERVICES, LLC 738      
209-622 A Modesto CA 981E BANDWIDTH.COM CLEC, LLC - CA 738      
209-683 A Atwater CA 981E BANDWIDTH.COM CLEC, LLC - CA 738      
209-691 A Escalon CA 981E BANDWIDTH.COM CLEC, LLC - CA 738      
209-708 A Sonora: Main DA CA 9748 AMERICAN MESSAGING SERVICES, LLC 738      
209-718 A Modesto CA 981E BANDWIDTH.COM CLEC, LLC - CA 738      
209-720 A Merced CA 981E BANDWIDTH.COM CLEC, LLC - CA 738      
209-730 A Galt CA 981E BANDWIDTH.COM CLEC, LLC - CA 738      
209-732 A Groveland CA 981E BANDWIDTH.COM CLEC, LLC - CA 738      
209-781 A Ione CA 981E BANDWIDTH.COM CLEC, LLC - CA 738      
209-782 A Jamestown CA 981E BANDWIDTH.COM CLEC, LLC - CA 738      
209-791 A Mokelumne Hill CA 981E BANDWIDTH.COM CLEC, LLC - CA 738      
209-800 A Stockton CA 981E BANDWIDTH.COM CLEC, LLC - CA 738      
209-806 A Mokelumne Hill CA 981E BANDWIDTH.COM CLEC, LLC - CA 738      
209-865 A Galt CA 981E BANDWIDTH.COM CLEC, LLC - CA 738      
209-867 A Lockeford CA 981E BANDWIDTH.COM CLEC, LLC - CA 738      
209-877 A Planada CA 981E BANDWIDTH.COM CLEC, LLC - CA 738      
209-896 A Riverbank CA 981E BANDWIDTH.COM CLEC, LLC - CA 738      
209-963 A Sonora: Juno DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 738      
209-975 A Herald CA 981E BANDWIDTH.COM CLEC, LLC - CA 738      
209-980 A Milton CA 981E BANDWIDTH.COM CLEC, LLC - CA 738      
209-987 A Stockton CA 9748 AMERICAN MESSAGING SERVICES, LLC 738      
209-995 A Stockton CA 9748 AMERICAN MESSAGING SERVICES, LLC 738      
350-200 A Lodi CA 981E BANDWIDTH.COM CLEC, LLC - CA 738      
559-201 A Chowchilla CA 981E BANDWIDTH.COM CLEC, LLC - CA 738      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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