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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OCN: 1617 MIDSTATE TELEPHONE CO.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
701-623 A Medora ND MEDRNDXADS1  638      
701-628 A Stanley ND STNLNDXA628  638      
701-926 A Portal ND PRTLNDXADS0  638      

Last updated: Sun, 28 Feb 2021 19:06:05 UTC

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