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: 999

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
701-999 A Belfield ND BSMRNDBCX7X  073H TELNYX LLC 638      
701-999 0 Belfield ND   073H TELNYX LLC 638   2017-04-22   
701-999 1 Belfield ND   452F ONVOY, LLC - ND 638   2024-01-06   
701-999 2 Belfield ND   8054 LEVEL 3 COMMUNICATIONS, LLC - ND 638   2019-06-09   
701-999 3 Belfield ND   452F ONVOY, LLC - ND 638   2019-09-06   
701-999 4 Belfield ND   452F ONVOY, LLC - ND 638   2019-09-06   
701-999 5 Belfield ND   452F ONVOY, LLC - ND 638   2020-12-11   
701-999 6 Belfield ND   452F ONVOY, LLC - ND 638   2020-08-20   
701-999 7 Belfield ND   508J CENTURYLINK COMMUNICATIONS, LLC 638   2017-05-25   
701-999 8 Belfield ND   8054 LEVEL 3 COMMUNICATIONS, LLC - ND 638   2018-08-31   
701-999 9 Belfield ND   073H TELNYX LLC 638   2017-04-22   

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

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