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: BECHNDXADS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
406-877 A West Beach MT 1638 MIDSTATE COMMUNICATIONS, INC. 638    
701-872 A Beach ND 1638 MIDSTATE COMMUNICATIONS, INC. 638    

Last updated: Sat, 10 Nov 2018 02:05:23 UTC

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