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: THTCNMXCRS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
505-733 A Tohatchi NM 4450 NAVAJO COMM CO INC NM DBA NAVAJO COMM CO NM 664      
505-733 0 Tohatchi NM 4450 NAVAJO COMM CO INC NM DBA NAVAJO COMM CO NM 664      
505-733 1 Tohatchi NM 4450 NAVAJO COMM CO INC NM DBA NAVAJO COMM CO NM 664      
505-733 2 Tohatchi NM 4450 NAVAJO COMM CO INC NM DBA NAVAJO COMM CO NM 664      
505-733 3 Tohatchi NM 4450 NAVAJO COMM CO INC NM DBA NAVAJO COMM CO NM 664      
505-733 7 Tohatchi NM 4450 NAVAJO COMM CO INC NM DBA NAVAJO COMM CO NM 664      
505-733 8 Tohatchi NM 4450 NAVAJO COMM CO INC NM DBA NAVAJO COMM CO NM 664      
505-733 9 Tohatchi NM 4450 NAVAJO COMM CO INC NM DBA NAVAJO COMM CO NM 664      

Last updated: Tue, 29 Sep 2026 03:00:13 UTC

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