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: 320 [Rate centres in NPA 320] [Dial plan for NPA 320]

NXX: 383

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
320-383 A Hazel Run MN HZRNMNXARS0  1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 626      
320-383 0 Hazel Run MN HZRNMNXARS0  1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 626      
320-383 1 Hazel Run MN HZRNMNXARS0  1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 626      
320-383 2 Hazel Run MN HZRNMNXARS0  1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 626      
320-383 3 Hazel Run MN STCDMNTOXTX  073H TELNYX LLC 626   2020-07-19   
320-383 4 Hazel Run MN STCDMNTOX3X  184D ONVOY, LLC - MN 626   2021-03-11   
320-383 5 Hazel Run MN STCDMNTOX3X  184D ONVOY, LLC - MN 626   2021-04-07   
320-383 6 Hazel Run MN STCDMNTOX3X  184D ONVOY, LLC - MN 626   2023-09-03   
320-383 7 Hazel Run MN STCDMNTOXHX  508J CENTURYLINK COMMUNICATIONS, LLC 626   2017-06-20   
320-383 8 Hazel Run MN STCDMNTOX3X  184D ONVOY, LLC - MN 626   2020-01-05   
320-383 9 Hazel Run MN HZRNMNXARS0  1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 626      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.