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.

OCN: 438D PVT NETWORKS, INC. - NM

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
575-264 A Hobbs NM ARTSNMMA0MD  664      
575-601 A Cloudcroft NM ARTSNMMA0MD  664      
575-736 A Artesia NM ARTSNMMA0MD  664      
575-941 A Carlsbad NM ARTSNMMA0MD  664      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.