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: 505 [Rate centres in NPA 505] [Dial plan for NPA 505]

NXX: 646

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
505-646 A Fence Lake NM ALBQNM10X3X  516J TON80 COMMUNICATIONS, LLC 664      
505-646 2 Fence Lake NM ALBQNMMAXLX  5470 LEVEL 3 COMMUNICATIONS, LLC - NM 664   2023-02-18   
505-646 4 Fence Lake NM ALBQNM10X3X  516J TON80 COMMUNICATIONS, LLC 664   2022-05-04   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.