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.

Hardwick, MN

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
507-669 A HRWKMNXHRS6  1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 620      
507-669 0 HRWKMNXHRS6  1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 620      
507-669 1 ROCHMNROUMD  184D ONVOY, LLC - MN 620   2019-09-12   
507-669 2 HRWKMNXHRS6  1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 620      
507-669 3 ROCHMNROTMD  5256 LEVEL 3 COMMUNICATIONS, LLC - MN 620   2018-01-24   
507-669 4 OWTNMNOWYMD  508J CENTURYLINK COMMUNICATIONS, LLC 620   2017-04-28   
507-669 5 ROCHMNROUMD  184D ONVOY, LLC - MN 620   2015-06-19   
507-669 6 HRWKMNXHRS6  1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 620      
507-669 7 ROCHMNROUMD  184D ONVOY, LLC - MN 620   2019-09-12   
507-669 8 ROCHMNROXRX  073H TELNYX LLC 620   2020-07-19   
507-669 9 HRWKMNXHRS6  1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 620      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.