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.


NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
254-422 A Marlin TX 6922 MTPCS, LLC 556      
254-426 A Marlin TX 6922 MTPCS, LLC 556      
254-455 A Cameron TX 6922 MTPCS, LLC 556      
254-625 A Mexia TX 6922 MTPCS, LLC 556      

Last updated: Sun, 31 May 2020 11:59:01 UTC

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