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.
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Switch: MTGMALMTXZZ

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
334-777 A Montgomery AL 8271 TELEPORT COMMUNICATIONS AMERICA, LLC - AL 478      
334-777 5 Montgomery AL 8271 TELEPORT COMMUNICATIONS AMERICA, LLC - AL 478   2006-07-16   

Last updated: Sat, 30 Sep 2023 22:09:11 UTC

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