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.

NPA: 701 [Rate centres in NPA 701] [Dial plan for NPA 701]

NXX: 638

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
701-638 A Gardner ND FARGNDBCX7X  452F ONVOY, LLC - ND 636      
701-638 0 Gardner ND FARGNDBCX7X  452F ONVOY, LLC - ND 636   2012-09-26   
701-638 1 Gardner ND FARGNDBCX3X  999E BANDWIDTH.COM CLEC, LLC - ND 636   2017-02-26   
701-638 2 Gardner ND FARGNDMW9MD  6701 AERIAL COMMUNICATIONS, INC. 636   2016-05-16   
701-638 3 Gardner ND FARGNDBCX7X  452F ONVOY, LLC - ND 636   2016-04-14   
701-638 4 Gardner ND FARGNDBCX7X  452F ONVOY, LLC - ND 636   2016-04-14   
701-638 5 Gardner ND FARGNDMW9MD  6701 AERIAL COMMUNICATIONS, INC. 636   2016-05-16   
701-638 6 Gardner ND FARGNDBCTMD  508J CENTURYLINK COMMUNICATIONS, LLC 636   2017-05-31   
701-638 7 Gardner ND FARGNDBCX7X  452F ONVOY, LLC - ND 636   2011-09-26   
701-638 8 Gardner ND FARGNDBCX3X  999E BANDWIDTH.COM CLEC, LLC - ND 636   2018-09-27   
701-638 9 Gardner ND FARGNDBCX7X  452F ONVOY, LLC - ND 636   2019-09-06   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.