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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 505 [Rate centres in NPA 505] [Dial plan for NPA 505]

NXX: 723

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
505-723 A Sanostee NM SANSNMXCRL0  4450 NAVAJO COMM CO INC NM DBA NAVAJO COMM CO NM 664      
505-723 0 Sanostee NM SANSNMXCRL0  4450 NAVAJO COMM CO INC NM DBA NAVAJO COMM CO NM 664      
505-723 1 Sanostee NM SANSNMXCRL0  4450 NAVAJO COMM CO INC NM DBA NAVAJO COMM CO NM 664      
505-723 2 Sanostee NM SANSNMXCRL0  4450 NAVAJO COMM CO INC NM DBA NAVAJO COMM CO NM 664      
505-723 3 Sanostee NM ALBQNMMAXLX  5470 LEVEL 3 COMMUNICATIONS, LLC - NM 664      
505-723 8 Sanostee NM ALBQNMMAXSY  073H TELNYX LLC 664      
505-723 9 Sanostee NM SANSNMXCRL0  4450 NAVAJO COMM CO INC NM DBA NAVAJO COMM CO NM 664      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.