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.

Switch: FARGNDBCXFY

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
701-446 A Fargo ND 145J TERRA NOVA TELECOM INC. 636      
701-658 0 Jamestown ND 145J TERRA NOVA TELECOM INC. 636   2024-04-22   
701-666 5 Minto ND 145J TERRA NOVA TELECOM INC. 636   2024-08-19   
701-850 1 Fargo ND 145J TERRA NOVA TELECOM INC. 636   2024-12-05   

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

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