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: DLLSTXDADS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
214-227 3 Plano TX 7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2003-02-23   
214-227 4 Plano TX 7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2003-12-03   
214-227 5 Plano TX 7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2003-12-03   
214-319 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-319 0 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-319 1 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-319 2 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-319 3 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-319 4 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-319 5 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-319 6 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-319 7 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-319 9 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-320 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-321 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-324 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-327 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-327 0 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-327 1 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-327 2 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-327 3 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-327 4 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-327 5 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-327 6 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-327 7 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-327 8 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-328 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-367 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-367 1 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-367 2 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-367 7 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-367 8 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-660 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-660 0 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-660 1 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-660 2 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-660 3 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-660 4 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-660 7 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-660 8 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-660 9 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-703 A Plano TX 7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
214-778 4 Plano TX 7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2007-06-08   
214-994 A Plano TX 7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
214-994 1 Plano TX 7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2004-01-04   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.