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: 631

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
505-631 A Aztec NM ALBQNMMAX4Y  206F ONVOY, LLC - NM 664   2024-11-01   
505-631 0 Aztec NM ALBQNMMAX4Y  206F ONVOY, LLC - NM 664   2024-11-01   
505-631 1 Aztec NM ALBQNMMAX4Y  206F ONVOY, LLC - NM 664   2024-12-13   
505-631 2 Aztec NM ALBQNMXMAMD  6573 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM 664   2024-12-03   
505-631 3 Aztec NM ALBQNMXMAMD  6573 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM 664   2024-12-03   
505-631 4 Aztec NM ALBQNMMAXQX  6010 NEW CINGULAR WIRELESS PCS, LLC 664   2025-12-26   
505-631 7 Aztec NM   123F BANDWIDTH.COM CLEC, LLC - NM 664   2026-10-02   
505-631 8 Aztec NM   123F BANDWIDTH.COM CLEC, LLC - NM 664   2026-08-08   
505-631 9 Aztec NM ALBQNMMAX4Y  206F ONVOY, LLC - NM 664   2025-03-03   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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