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.
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
218-399 A East Grand Forks MN 429A MIDCONTINENT COMMUNICATIONS - MN 636   2007-06-25   
218-470 A Crookston MN 429A MIDCONTINENT COMMUNICATIONS - MN 636   2007-06-25   
701-358 A Minto ND 3065 MIDCONTINENT COMMUNICATIONS - ND 636   2007-03-16   
701-379 A Grafton ND 3065 MIDCONTINENT COMMUNICATIONS - ND 636   2007-07-12   
701-383 A Hillsboro ND 3065 MIDCONTINENT COMMUNICATIONS - ND 636   2007-03-16   
701-414 A Mayville ND 3065 MIDCONTINENT COMMUNICATIONS - ND 636   2007-04-24   
701-431 A Larimore ND 3065 MIDCONTINENT COMMUNICATIONS - ND 636   2008-03-15   
701-554 A Thompson ND 3065 MIDCONTINENT COMMUNICATIONS - ND 636   2007-03-16   
701-564 A Manvel ND 3065 MIDCONTINENT COMMUNICATIONS - ND 636   2008-03-15   
701-569 A Hatton ND 3065 MIDCONTINENT COMMUNICATIONS - ND 636   2007-03-16   
701-631 A Emerado ND 3065 MIDCONTINENT COMMUNICATIONS - ND 636   2007-03-16   
701-757 A Grand Forks ND 3065 MIDCONTINENT COMMUNICATIONS - ND 636   2006-11-17   
701-841 A Reynolds ND 3065 MIDCONTINENT COMMUNICATIONS - ND 636   2007-03-16   

Last updated: Sat, 29 Jun 2019 02:32:58 UTC

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