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: DLLSTXNODS0

<< 1 2 3 4 5 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
972-432 8 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-432 9 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-443 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-444 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-459 8 Lewisville TX 7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2009-03-07   
972-497 3 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-501 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-505 7 Irving TX 7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2006-10-26   
972-506 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-556 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-556 0 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-556 1 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-556 2 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-556 3 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-556 4 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-556 6 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-556 7 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-556 8 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-556 9 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-584 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-584 2 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-584 3 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-584 4 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-584 5 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-584 8 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-598 8 Dallas TX 9533 SOUTHWESTERN BELL 552   2013-04-26   
972-607 7 Irving TX 7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2002-10-13   
972-607 8 Irving TX 7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2002-10-13   
972-630 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-630 1 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-630 2 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-630 5 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-630 7 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-652 2 Irving TX 7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2009-10-06   
972-652 3 Irving TX 7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2008-01-03   
972-706 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-817 A Irving TX 7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-817 0 Irving TX 7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2016-08-20   
972-817 1 Irving TX 7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2016-08-20   
972-817 2 Irving TX 7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2016-09-11   
972-817 3 Irving TX 7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2016-09-11   
972-817 4 Irving TX 7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2016-09-11   
972-817 5 Irving TX 7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2016-09-11   
972-817 6 Irving TX 7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2016-09-11   
972-817 7 Irving TX 7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2016-09-11   
972-817 8 Irving TX 7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2016-09-11   
972-817 9 Irving TX 7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2016-09-11   
972-830 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-831 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-868 A Dallas TX 9533 SOUTHWESTERN BELL 552      

<< 1 2 3 4 5 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.