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: SKTNCA01X4Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
209-252 8 Turlock CA 8322 MPOWER COMMUNICATIONS CORP. - CA 738   2014-05-17   
209-337 2 Stockton CA 8322 MPOWER COMMUNICATIONS CORP. - CA 738   2014-05-17   
209-338 A Modesto CA 8322 MPOWER COMMUNICATIONS CORP. - CA 738      
209-338 6 Modesto CA 8322 MPOWER COMMUNICATIONS CORP. - CA 738   2012-03-05   
209-650 4 Tracy CA 8322 MPOWER COMMUNICATIONS CORP. - CA 738   2014-06-06   
209-665 2 Manteca CA 8322 MPOWER COMMUNICATIONS CORP. - CA 738   2014-05-17   

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

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