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: 531

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
505-531 A Santa Fe NM ALBQNMMAX8Z  732J NUSO, LLC 664      
505-531 0 Santa Fe NM ALBQNMMAX2Y  123F BANDWIDTH.COM CLEC, LLC - NM 664   2023-09-08   
505-531 1 Santa Fe NM ALBQNMMAX8Z  732J NUSO, LLC 664   2022-12-08   
505-531 2 Santa Fe NM ALBQNMMAX4Y  206F ONVOY, LLC - NM 664   2023-03-02   
505-531 3 Santa Fe NM ALBQNMMAX4Y  206F ONVOY, LLC - NM 664   2023-03-02   
505-531 4 Santa Fe NM ALBQNMMAX4Y  206F ONVOY, LLC - NM 664   2023-03-02   
505-531 5 Santa Fe NM ALBQNMMAX4Y  206F ONVOY, LLC - NM 664   2023-03-02   
505-531 6 Santa Fe NM ALBQNMMAX4Y  206F ONVOY, LLC - NM 664   2023-10-16   
505-531 7 Santa Fe NM ALBQNMXMAMD  6573 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM 664   2023-10-10   
505-531 8 Santa Fe NM ALBQNMMAX2Y  123F BANDWIDTH.COM CLEC, LLC - NM 664   2023-09-08   
505-531 9 Santa Fe NM ALBQNMMAX2Y  123F BANDWIDTH.COM CLEC, LLC - NM 664   2023-09-08   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.