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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
320-686 A Cold Spring MN   184D ONVOY, LLC MN 626      
320-686 0 Cold Spring MN   429A MIDCONTINENT COMMUNICATIONS - MN 626   2011-10-14   
320-686 1 Cold Spring MN   184D ONVOY, LLC MN 626   2019-02-25   
320-686 6 Cold Spring MN   4156 TEKSTAR COMMUNICATIONS, INC. 626   2017-12-29   
320-686 7 Cold Spring MN   7575 CENTURYLINK COMMUNICATIONS LLC 626   2017-06-20   
320-686 8 Cold Spring MN   184D ONVOY, LLC MN 626   2019-02-25   
320-686 9 Cold Spring MN   073H TELNYX LLC 626   2020-07-12   

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.