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: DLLSTX97XAX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
254-363 A Alexander TX 0051 SHELCOMM 552      
254-365 A Carbon TX 0051 SHELCOMM 552      
254-367 A Cisco TX 0051 SHELCOMM 552      
254-648 A Ranger TX 0051 SHELCOMM 552      
430-248 A Greenville TX 0051 SHELCOMM 552      
469-572 A Dallas TX 0051 SHELCOMM 552      
469-692 A Allen TX 0051 SHELCOMM 552      
469-696 A McKinney TX 0051 SHELCOMM 552      
469-710 A Plano TX 0051 SHELCOMM 552      
469-738 A Irving TX 0051 SHELCOMM 552      
682-280 A Fort Worth TX 0051 SHELCOMM 552      
682-293 A Arlington TX 0051 SHELCOMM 552      
682-296 A Grandview TX 0051 SHELCOMM 552      
940-288 A Denton TX 0051 SHELCOMM 552      

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

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