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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Reserve, NM

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
575-261 A ALBQNMMAXQX  6010 NEW CINGULAR WIRELESS PCS, LLC 664      
575-533 A RSRVNMXCDS0  2268 WESTERN NEW MEXICO TEL. CO., INC. 664      

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

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