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: 578

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
505-578 A Albuquerque NM ALBQNMMAX7Y  450C TELEPORT COMMUNICATIONS AMERICA NM-LLC 664      
505-578 0 Albuquerque NM   206F ONVOY, LLC - NM 664   2023-11-04   
505-578 1 Albuquerque NM   206F ONVOY, LLC - NM 664   2023-11-04   
505-578 2 Albuquerque NM   206F ONVOY, LLC - NM 664   2023-11-12   
505-578 3 Albuquerque NM   206F ONVOY, LLC - NM 664   2023-11-12   
505-578 4 Albuquerque NM   206F ONVOY, LLC - NM 664   2023-11-12   
505-578 5 Albuquerque NM   206F ONVOY, LLC - NM 664   2023-11-12   
505-578 6 Albuquerque NM   450C TELEPORT COMMUNICATIONS AMERICA NM-LLC 664   2023-11-03   
505-578 7 Albuquerque NM   206F ONVOY, LLC - NM 664   2023-11-12   
505-578 8 Albuquerque NM   206F ONVOY, LLC - NM 664   2023-11-04   
505-578 9 Albuquerque NM   206F ONVOY, LLC - NM 664   2023-11-12   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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