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: 487

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
505-487 A Los Alamos NM ALBQNMXMAMD  6573 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM 664      
505-487 0 Los Alamos NM ALBQNMXMAMD  6573 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM 664   2021-09-05   
505-487 1 Los Alamos NM ALBQNM10LMD  939H COMMIO, LLC 664   2022-11-20   
505-487 2 Los Alamos NM ALBQNMMAX2Y  123F BANDWIDTH.COM CLEC, LLC - NM 664   2021-12-06   
505-487 3 Los Alamos NM ALBQNMXMAMD  6573 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM 664   2022-03-10   
505-487 4 Los Alamos NM ALBQNM10DS5  377H PEERLESS NETWORK OF NEW MEXICO, LLC - NM 664   2023-08-21   
505-487 5 Los Alamos NM   145J TERRA NOVA TELECOM INC. 664   2024-02-16   
505-487 6 Los Alamos NM ALBQNMXMAMD  6573 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM 664   2023-07-21   
505-487 7 Los Alamos NM ALBQNMMAX4Y  206F ONVOY, LLC - NM 664   2021-09-06   
505-487 8 Los Alamos NM ALBQNMMAX4Y  206F ONVOY, LLC - NM 664   2021-09-06   
505-487 9 Los Alamos NM   515J IP HORIZON LLC 664   2022-05-26   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.