Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
701-204 7 Bismarck ND 452F ONVOY, LLC - ND 638   2009-11-08   
701-264 5 Dickinson ND 452F ONVOY, LLC - ND 638   2013-01-24   
701-264 8 Dickinson ND 452F ONVOY, LLC - ND 638   2007-03-12   
701-299 0 Bismarck ND 452F ONVOY, LLC - ND 638   2021-07-08   
701-299 2 Bismarck ND 452F ONVOY, LLC - ND 638   2021-07-08   
701-299 3 Bismarck ND 452F ONVOY, LLC - ND 638   2021-07-08   
701-299 4 Bismarck ND 452F ONVOY, LLC - ND 638   2021-07-08   
701-300 7 Dickinson ND 452F ONVOY, LLC - ND 638   2011-10-29   
701-319 1 Bismarck ND 452F ONVOY, LLC - ND 638   2023-08-20   
701-333 A Bismarck ND 452F ONVOY, LLC - ND 638      
701-333 7 Bismarck ND 452F ONVOY, LLC - ND 638   2021-06-13   
701-354 0 Bismarck ND 452F ONVOY, LLC - ND 638   2012-12-16   
701-354 1 Bismarck ND 452F ONVOY, LLC - ND 638   2012-12-16   
701-354 7 Bismarck ND 452F ONVOY, LLC - ND 638   2013-03-19   
701-401 A Bismarck ND 452F ONVOY, LLC - ND 638      
701-401 0 Bismarck ND 452F ONVOY, LLC - ND 638   2017-04-16   
701-401 1 Bismarck ND 452F ONVOY, LLC - ND 638   2017-04-16   
701-401 2 Bismarck ND 452F ONVOY, LLC - ND 638   2017-04-16   
701-401 3 Bismarck ND 452F ONVOY, LLC - ND 638   2017-04-16   
701-401 4 Bismarck ND 452F ONVOY, LLC - ND 638   2017-04-16   
701-401 5 Bismarck ND 452F ONVOY, LLC - ND 638   2017-04-16   
701-401 6 Bismarck ND 452F ONVOY, LLC - ND 638   2017-04-16   
701-401 7 Bismarck ND 452F ONVOY, LLC - ND 638   2017-04-16   
701-401 8 Bismarck ND 452F ONVOY, LLC - ND 638   2017-04-16   
701-401 9 Bismarck ND 452F ONVOY, LLC - ND 638   2017-04-16   
701-415 0 Bismarck ND 452F ONVOY, LLC - ND 638   2017-11-03   
701-415 2 Bismarck ND 452F ONVOY, LLC - ND 638   2019-03-10   
701-415 3 Bismarck ND 452F ONVOY, LLC - ND 638   2018-02-14   
701-425 A Bismarck ND 452F ONVOY, LLC - ND 638      
701-425 0 Bismarck ND 452F ONVOY, LLC - ND 638   2006-05-19   
701-450 A Bismarck ND 452F ONVOY, LLC - ND 638      
701-450 0 Bismarck ND 452F ONVOY, LLC - ND 638   2019-02-04   
701-450 1 Bismarck ND 452F ONVOY, LLC - ND 638   2019-02-04   
701-450 2 Bismarck ND 452F ONVOY, LLC - ND 638   2023-06-04   
701-450 3 Bismarck ND 452F ONVOY, LLC - ND 638   2018-12-23   
701-450 4 Bismarck ND 452F ONVOY, LLC - ND 638   2019-11-08   
701-450 5 Bismarck ND 452F ONVOY, LLC - ND 638   2019-11-08   
701-450 9 Bismarck ND 452F ONVOY, LLC - ND 638   2023-08-20   
701-495 0 Dickinson ND 452F ONVOY, LLC - ND 638   2015-05-09   
701-498 3 Bismarck ND 452F ONVOY, LLC - ND 638   2019-09-06   
701-498 4 Bismarck ND 452F ONVOY, LLC - ND 638   2019-09-06   
701-498 5 Bismarck ND 452F ONVOY, LLC - ND 638   2019-09-06   
701-502 A Dickinson ND 452F ONVOY, LLC - ND 638      
701-502 2 Dickinson ND 452F ONVOY, LLC - ND 638   2019-10-31   
701-502 4 Dickinson ND 452F ONVOY, LLC - ND 638   2020-08-20   
701-502 5 Dickinson ND 452F ONVOY, LLC - ND 638   2019-07-08   
701-502 6 Dickinson ND 452F ONVOY, LLC - ND 638   2020-08-20   
701-502 7 Dickinson ND 452F ONVOY, LLC - ND 638   2019-07-08   
701-504 2 Dickinson ND 452F ONVOY, LLC - ND 638   2023-07-06   
701-504 7 Dickinson ND 452F ONVOY, LLC - ND 638   2023-03-29   

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Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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