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: 575 [Rate centres in NPA 575] [Dial plan for NPA 575]

NXX: 254

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
575-254 A Jemez Springs NM ALBQNMMAX4Y  206F ONVOY, LLC - NM 664      
575-254 0 Jemez Springs NM   206F ONVOY, LLC - NM 664   2017-10-01   
575-254 1 Jemez Springs NM   206F ONVOY, LLC - NM 664   2020-10-19   
575-254 2 Jemez Springs NM   206F ONVOY, LLC - NM 664   2020-10-19   
575-254 3 Jemez Springs NM   206F ONVOY, LLC - NM 664   2020-08-31   
575-254 4 Jemez Springs NM   206F ONVOY, LLC - NM 664   2020-08-31   
575-254 5 Jemez Springs NM   206F ONVOY, LLC - NM 664   2020-01-10   
575-254 6 Jemez Springs NM   206F ONVOY, LLC - NM 664   2020-12-20   
575-254 7 Jemez Springs NM   624H ONVOY SPECTRUM, LLC 664   2025-01-22   
575-254 8 Jemez Springs NM   206F ONVOY, LLC - NM 664   2020-12-20   

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.