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: FTWOTXEDDS4

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
469-458 4 Dallas TX 7421 AT&T - LOCAL 552   2013-06-03   
469-458 5 Dallas TX 7421 AT&T - LOCAL 552   2013-06-03   
682-703 6 Fort Worth TX 7421 AT&T - LOCAL 552   2014-05-05   
817-210 A Fort Worth TX 7421 AT&T - LOCAL 552      
817-210 0 Fort Worth TX 7421 AT&T - LOCAL 552      
817-210 1 Fort Worth TX 7421 AT&T - LOCAL 552      
817-344 A Fort Worth TX 7421 AT&T - LOCAL 552      
817-344 1 Fort Worth TX 7421 AT&T - LOCAL 552      
817-345 A North Richland Hills TX 7421 AT&T - LOCAL 552      
817-345 9 North Richland Hills TX 7421 AT&T - LOCAL 552      
817-353 A Fort Worth TX 7421 AT&T - LOCAL 552      
817-353 7 Fort Worth TX 7421 AT&T - LOCAL 552      
817-357 3 Cleburne TX 7421 AT&T - LOCAL 552   2005-07-22   
817-438 A Euless TX 7421 AT&T - LOCAL 552      
817-438 5 Euless TX 7421 AT&T - LOCAL 552      
817-438 9 Euless TX 7421 AT&T - LOCAL 552      
817-539 4 Mansfield TX 7421 AT&T - LOCAL 552   2003-10-22   
817-541 A Roanoke TX 7421 AT&T - LOCAL 552      
817-541 3 Roanoke TX 7421 AT&T - LOCAL 552      
817-697 A Keller TX 7421 AT&T - LOCAL 552      
817-697 6 Keller TX 7421 AT&T - LOCAL 552      
817-757 A Weatherford TX 7421 AT&T - LOCAL 552      
817-757 1 Weatherford TX 7421 AT&T - LOCAL 552      
817-761 A Alvarado TX 7421 AT&T - LOCAL 552      
817-761 2 Alvarado TX 7421 AT&T - LOCAL 552      
817-785 4 Euless TX 7421 AT&T - LOCAL 552   2008-05-01   
817-807 A Arlington TX 7421 AT&T - LOCAL 552      
817-807 4 Arlington TX 7421 AT&T - LOCAL 552      
817-807 9 Arlington TX 7421 AT&T - LOCAL 552      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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