Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 701 [Rate centres in NPA 701] [Dial plan for NPA 701]

NXX: 791

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
701-791 A Bismarck ND BSMRNDBCX9X  321J HD CARRIER LLC 638      
701-791 0 Bismarck ND   624H ONVOY SPECTRUM, LLC 638   2023-11-28   
701-791 1 Bismarck ND   452F ONVOY, LLC - ND 638   2020-08-20   
701-791 2 Bismarck ND   452F ONVOY, LLC - ND 638   2020-10-23   
701-791 3 Bismarck ND   772G TELEPORT COMMUNICATIONS AMERICA - ND - LLC 638   2025-06-20   
701-791 4 Bismarck ND   772G TELEPORT COMMUNICATIONS AMERICA - ND - LLC 638   2025-06-20   
701-791 5 Bismarck ND   772G TELEPORT COMMUNICATIONS AMERICA - ND - LLC 638   2025-06-20   
701-791 7 Bismarck ND   321J HD CARRIER LLC 638   2020-06-05   
701-791 8 Bismarck ND   321J HD CARRIER LLC 638   2020-06-05   
701-791 9 Bismarck ND   321J HD CARRIER LLC 638   2019-05-31   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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