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: 507 [Rate centres in NPA 507] [Dial plan for NPA 507]

NXX: 999

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
507-999 A Gaylord MN MPLSMNCDX4X  145J TERRA NOVA TELECOM INC. 628      
507-999 3 Gaylord MN STPLMNMKTMD  624H ONVOY SPECTRUM, LLC 628   2021-07-16   
507-999 7 Gaylord MN MPLSMNCDX4X  145J TERRA NOVA TELECOM INC. 628   2024-05-10   
507-999 8 Gaylord MN MPLSMNCDDSF  107F PEERLESS NETWORK OF MINNESOTA, LLC - MN 628   2023-09-22   
507-999 9 Gaylord MN   145J TERRA NOVA TELECOM INC. 628   2019-02-23   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.