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: 626

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
701-626 A Butte ND MNOTNDXADS0  3303 SRT COMMUNICATIONS, INC. 638      
701-626 0 Butte ND BUTTNDXARS6  3303 SRT COMMUNICATIONS, INC. 638      
701-626 1 Butte ND BSMRNDBCXDX  6568 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ND 638      
701-626 2 Butte ND BSMRNDBCXDX  6568 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ND 638      
701-626 3 Butte ND BUTTNDXARS6  3303 SRT COMMUNICATIONS, INC. 638      
701-626 4 Butte ND BUTTNDXARS6  3303 SRT COMMUNICATIONS, INC. 638      
701-626 5 Butte ND BUTTNDXARS6  3303 SRT COMMUNICATIONS, INC. 638      
701-626 6 Butte ND BUTTNDXARS6  3303 SRT COMMUNICATIONS, INC. 638      
701-626 7 Butte ND BUTTNDXARS6  3303 SRT COMMUNICATIONS, INC. 638      
701-626 8 Butte ND BUTTNDXARS6  3303 SRT COMMUNICATIONS, INC. 638      
701-626 9 Butte ND BUTTNDXARS6  3303 SRT COMMUNICATIONS, INC. 638      

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.