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.

NPA: 979 [Rate centres in NPA 979] [Dial plan for NPA 979]

NXX: 476

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
979-476 A Bay City TX HSTPTXJAAMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
979-476 0 Bay City TX HSTPTXJAAMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
979-476 1 Bay City TX HSTPTXJAAMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2014-05-04   
979-476 2 Bay City TX HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-12-08   
979-476 3 Bay City TX HSTNTX01X7X  516C AT&T CORP. 560   2011-02-05   
979-476 4 Bay City TX HSTPTXJAAMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2014-12-10   
979-476 5 Bay City TX HSTPTXJAAMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2014-12-10   
979-476 6 Bay City TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2010-11-15   
979-476 7 Bay City TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2011-06-09   
979-476 8 Bay City TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2012-09-13   
979-476 9 Bay City TX HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2009-02-23   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.