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: 701 [Rate centres in NPA 701] [Dial plan for NPA 701]

NXX: 639

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
701-639 A Fargo ND FARGNDBCA56  7421 AT&T - LOCAL 636      
701-639 0 Fargo ND FARGNDBCWMD  8054 LEVEL 3 COMMUNICATIONS, LLC - ND 636   2008-03-18   
701-639 1 Fargo ND FARGNDBCXFY  145J TERRA NOVA TELECOM INC. 636   2022-12-17   
701-639 2 Fargo ND FARGNDBCWMD  8054 LEVEL 3 COMMUNICATIONS, LLC - ND 636   2011-02-28   
701-639 3 Fargo ND FARGNDMW9MD  6701 AERIAL COMMUNICATIONS, INC. 636   2011-07-24   
701-639 4 Fargo ND FARGNDBCWMD  8054 LEVEL 3 COMMUNICATIONS, LLC - ND 636   2012-07-19   
701-639 5 Fargo ND FARGNDBCA56  7421 AT&T - LOCAL 636      
701-639 6 Fargo ND FARGNDBCWMD  8054 LEVEL 3 COMMUNICATIONS, LLC - ND 636   2013-09-27   
701-639 7 Fargo ND FARGNDBCWMD  8054 LEVEL 3 COMMUNICATIONS, LLC - ND 636   2015-05-14   
701-639 8 Fargo ND FARGNDMW9MD  6701 AERIAL COMMUNICATIONS, INC. 636   2011-03-08   
701-639 9 Fargo ND FARGNDBCX3X  999E BANDWIDTH.COM CLEC, LLC - ND 636   2022-08-26   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.