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.
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Switch: RUDSNM240MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
575-228 9 Alto NM 470G TULAROSA COMMUNICATIONS, INC. - NM 664   2020-07-18   
575-454 A Ruidoso NM 470G TULAROSA COMMUNICATIONS, INC. - NM 664      
575-454 5 Ruidoso NM 470G TULAROSA COMMUNICATIONS, INC. - NM 664   2017-07-28   
575-651 9 Ruidoso Downs NM 470G TULAROSA COMMUNICATIONS, INC. - NM 664   2017-08-31   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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