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: 429

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
575-429 A Clayton NM ALBQNMMAXCY  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 664      
575-429 0 Clayton NM ALBQNMMAXSY  073H TELNYX LLC 664      
575-429 2 Clayton NM ALBQNMMAXLX  5470 LEVEL 3 COMMUNICATIONS, LLC - NM 664      
575-429 9 Clayton NM ALBQNMMAXCY  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 664      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.