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.

Switch: ARTSNMMA0MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
575-264 A Hobbs NM 438D PVT NETWORKS, INC. - NM 664      
575-601 A Cloudcroft NM 438D PVT NETWORKS, INC. - NM 664      
575-736 A Artesia NM 438D PVT NETWORKS, INC. - NM 664      
575-941 A Carlsbad NM 438D PVT NETWORKS, INC. - NM 664      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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