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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OCN: 4451 NAVAJO COMM CO INC - UT DBA NAVAJO COMM UT

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
435-316 A Monument Valley UT STMCAZXEPS1  981      
435-316 4 Monument Valley UT STMCAZXEPS1  981      
435-651 A Montezuma Creek-Aneth UT MNCKUTXCRS0  981      
435-727 A Monument Valley UT MNVYUTXCRS0  981      
435-739 A Halchita UT HLCHUTXCRL0  981      

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

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