Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 505 [Rate centres in NPA 505] [Dial plan for NPA 505]

NXX: 777

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
505-777 A Navajo NM NAVJNMXCRS0  4450 NAVAJO COMM CO INC NM DBA NAVAJO COMM CO NM 664      
505-777 0 Navajo NM NAVJNMXCRS0  4450 NAVAJO COMM CO INC NM DBA NAVAJO COMM CO NM 664      
505-777 1 Navajo NM NAVJNMXCRS0  4450 NAVAJO COMM CO INC NM DBA NAVAJO COMM CO NM 664      
505-777 2 Navajo NM NAVJNMXCRS0  4450 NAVAJO COMM CO INC NM DBA NAVAJO COMM CO NM 664      
505-777 3 Navajo NM ALBQNMMAXLX  5470 LEVEL 3 COMMUNICATIONS, LLC - NM 664   2020-01-20   
505-777 4 Navajo NM NAVJNMXCRS0  4450 NAVAJO COMM CO INC NM DBA NAVAJO COMM CO NM 664      
505-777 5 Navajo NM ALBQNMMAXSY  073H TELNYX LLC 664   2022-08-15   
505-777 6 Navajo NM   145J TERRA NOVA TELECOM INC. 664   2025-07-06   
505-777 7 Navajo NM NAVJNMXCRS0  4450 NAVAJO COMM CO INC NM DBA NAVAJO COMM CO NM 664      
505-777 9 Navajo NM NAVJNMXCRS0  4450 NAVAJO COMM CO INC NM DBA NAVAJO COMM CO NM 664      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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