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: RCSNTXHVBMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
214-434 A Dallas TX 516C AT&T CORP. 552      
214-856 A McKinney TX 516C AT&T CORP. 552      
214-935 A Anna TX 516C AT&T CORP. 552      
214-973 A McKinney TX 516C AT&T CORP. 552      
254-735 A Cisco TX 516C AT&T CORP. 552      
469-202 A Celina TX 516C AT&T CORP. 552      
469-257 A Italy TX 516C AT&T CORP. 552      
469-264 A Rockwall TX 516C AT&T CORP. 552      
469-481 A Prosper TX 516C AT&T CORP. 552      
469-602 A Forney TX 516C AT&T CORP. 552      
469-687 A Dallas TX 516C AT&T CORP. 552      
469-731 A Frisco TX 516C AT&T CORP. 552      
469-914 A Dallas TX 516C AT&T CORP. 552      
469-917 A Dallas TX 516C AT&T CORP. 552      
469-980 A Frisco TX 516C AT&T CORP. 552      
682-246 A Arlington TX 516C AT&T CORP. 552      
682-312 A Fort Worth TX 516C AT&T CORP. 552      
682-804 A Weatherford TX 516C AT&T CORP. 552      
817-592 A Mansfield TX 516C AT&T CORP. 552      
817-653 A Glendale TX 516C AT&T CORP. 552      
972-308 A Dallas TX 516C AT&T CORP. 552      

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

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