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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

OCN: 452F ONVOY, LLC - ND

<< 1 2 3 4 5 6 7 8 9 10 11 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
701-712 A Bismarck ND BSMRNDBCSMD  638      
701-712 0 Bismarck ND BSMRNDBCSMD  638   2019-05-22   
701-712 2 Bismarck ND BSMRNDBCSMD  638   2019-11-08   
701-712 6 Bismarck ND BSMRNDBCSMD  638   2019-11-08   
701-712 7 Bismarck ND BSMRNDBCSMD  638   2014-04-18   
701-712 8 Bismarck ND BSMRNDBCSMD  638   2014-04-18   
701-713 9 Williston ND BSMRNDBCSMD  638   2023-08-20   
701-714 A Gardner ND FARGNDBCX7X  636      
701-714 1 Gardner ND FARGNDBCX7X  636   2021-06-03   
701-714 2 Gardner ND FARGNDBCX7X  636   2021-01-15   
701-714 3 Gardner ND FARGNDBCX7X  636   2021-01-15   
701-714 4 Gardner ND FARGNDBCX7X  636   2021-03-02   
701-714 5 Gardner ND FARGNDBCX7X  636   2021-03-02   
701-714 6 Gardner ND FARGNDBCX7X  636   2021-07-08   
701-719 A Belfield ND BSMRNDBCSMD  638      
701-719 8 Belfield ND BSMRNDBCSMD  638   2014-07-04   
701-732 3 Grand Forks ND FARGNDBCX7X  636   2019-07-08   
701-732 8 Grand Forks ND FARGNDBCX7X  636   2016-03-04   
701-732 9 Grand Forks ND FARGNDBCX7X  636   2016-03-04   
701-738 1 Grand Forks ND FARGNDBCX7X  636   2020-12-11   
701-738 3 Grand Forks ND FARGNDBCX7X  636   2020-12-11   
701-738 9 Grand Forks ND FARGNDBCX7X  636   2020-12-11   
701-747 9 Emerado ND FARGNDBCX7X  636   2011-08-22   
701-760 4 Valley City ND FARGNDBCX7X  636   2021-03-02   
701-760 5 Valley City ND FARGNDBCX7X  636   2020-12-11   
701-760 6 Valley City ND FARGNDBCX7X  636   2020-12-11   
701-760 7 Valley City ND FARGNDBCX7X  636   2019-09-06   
701-760 8 Valley City ND FARGNDBCX7X  636   2021-03-02   
701-765 5 Grand Forks ND FARGNDBCX7X  636   2019-09-06   
701-765 7 Grand Forks ND FARGNDBCX7X  636   2011-09-12   
701-765 8 Grand Forks ND FARGNDBCX7X  636   2004-04-28   
701-773 A Kindred ND FARGNDBCX7X  636      
701-773 1 Kindred ND FARGNDBCX7X  636   2021-05-21   
701-773 3 Kindred ND FARGNDBCX7X  636   2020-10-23   
701-773 4 Kindred ND FARGNDBCX7X  636   2021-02-12   
701-773 5 Kindred ND FARGNDBCX7X  636   2021-02-12   
701-773 6 Kindred ND FARGNDBCX7X  636   2020-12-11   
701-773 7 Kindred ND FARGNDBCX7X  636   2020-06-18   
701-773 8 Kindred ND FARGNDBCX7X  636   2020-12-11   
701-773 9 Kindred ND FARGNDBCX7X  636   2021-07-08   
701-779 1 Dickinson ND BSMRNDBCSMD  638   2020-10-23   
701-779 2 Dickinson ND BSMRNDBCSMD  638   2020-12-11   
701-779 3 Dickinson ND BSMRNDBCSMD  638   2020-12-11   
701-779 4 Dickinson ND BSMRNDBCSMD  638   2020-12-11   
701-779 5 Dickinson ND BSMRNDBCSMD  638   2020-12-11   
701-779 6 Dickinson ND BSMRNDBCSMD  638   2024-01-06   
701-779 7 Dickinson ND BSMRNDBCSMD  638   2020-03-27   
701-779 8 Dickinson ND BSMRNDBCSMD  638   2020-03-27   
701-781 6 Fargo ND FARGNDBCX7X  636   2016-02-26   
701-781 8 Fargo ND FARGNDBCX7X  636   2016-02-26   

<< 1 2 3 4 5 6 7 8 9 10 11 >>

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.