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: 874

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
575-874 A Santa Teresa NM SNTSNMAARSA  9636 QWEST CORPORATION 664      
575-874 0 Santa Teresa NM SNTSNMAARSA  9636 QWEST CORPORATION 664      
575-874 1 Santa Teresa NM SNTSNMAARSA  9636 QWEST CORPORATION 664      
575-874 2 Santa Teresa NM SNTSNMAARSA  9636 QWEST CORPORATION 664      
575-874 3 Santa Teresa NM SNTSNMAARSA  9636 QWEST CORPORATION 664      
575-874 4 Santa Teresa NM SNTSNMAARSA  9636 QWEST CORPORATION 664      
575-874 5 Santa Teresa NM SNTSNMAARSA  9636 QWEST CORPORATION 664      
575-874 6 Santa Teresa NM SNTSNMAARSA  9636 QWEST CORPORATION 664      
575-874 7 Santa Teresa NM SNTSNMAARSA  9636 QWEST CORPORATION 664      
575-874 9 Santa Teresa NM SNTSNMAARSA  9636 QWEST CORPORATION 664      

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.