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: 4450 NAVAJO COMM CO INC NM DBA NAVAJO COMM CO NM

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
505-777 7 Navajo NM NAVJNMXCRS0  664      
505-777 9 Navajo NM NAVJNMXCRS0  664      
505-786 A Crown Point NM CRPNNMXCRS0  664      
505-789 A Toadlena NM TDLNNMXCRL0  664      
505-789 0 Toadlena NM TDLNNMXCRL0  664      
505-789 1 Toadlena NM TDLNNMXCRL0  664      
505-789 3 Toadlena NM TDLNNMXCRL0  664      
505-789 9 Toadlena NM TDLNNMXCRL0  664      
505-943 A Shiprock NM STMCAZXEPS1  664      
505-943 4 Shiprock NM STMCAZXEPS1  664   2012-05-24   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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