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: ELPSTXGJBMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
915-207 A Vinton TX 516C AT&T CORP. 540      
915-207 7 Vinton TX 516C AT&T CORP. 540   2011-10-19   
915-228 9 El Paso TX 516C AT&T CORP. 540   2014-01-09   
915-234 2 El Paso TX 516C AT&T CORP. 540   2009-11-30   
915-243 A Canutillo TX 516C AT&T CORP. 540      
915-243 7 Canutillo TX 516C AT&T CORP. 540   2009-12-25   
915-249 6 El Paso TX 516C AT&T CORP. 540   2011-01-04   
915-259 0 El Paso TX 516C AT&T CORP. 540   2016-06-27   
915-260 A El Paso TX 516C AT&T CORP. 540      
915-260 5 El Paso TX 516C AT&T CORP. 540   2014-07-06   
915-270 9 El Paso TX 516C AT&T CORP. 540   2014-10-20   
915-303 A El Paso TX 516C AT&T CORP. 540      
915-303 5 El Paso TX 516C AT&T CORP. 540   2015-01-18   
915-303 7 El Paso TX 516C AT&T CORP. 540   2015-04-11   
915-345 A El Paso TX 516C AT&T CORP. 540      
915-345 1 El Paso TX 516C AT&T CORP. 540   2005-05-11   
915-600 5 El Paso TX 516C AT&T CORP. 540   2011-09-14   
915-974 A Clint TX 516C AT&T CORP. 540      
915-974 7 Clint TX 516C AT&T CORP. 540   2008-07-26   

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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