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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Switch: BLNGMTWE6MD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
701-505 7 East Sidney ND 8054 LEVEL 3 COMMUNICATIONS, LLC - ND 650   2023-01-08   
701-940 6 East Fairview ND 8054 LEVEL 3 COMMUNICATIONS, LLC - ND 650   2023-01-08   

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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