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: 414

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
320-414 A Little Falls MN WTPKMNAC0MD  447D CHARTER FIBERLINK, LLC - MN 626      
320-414 0 Little Falls MN WTPKMNAC0MD  447D CHARTER FIBERLINK, LLC - MN 626   2006-06-25   
320-414 1 Little Falls MN   5816 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN 626   2024-03-25   
320-414 2 Little Falls MN STCDMNTOX8X  6701 AERIAL COMMUNICATIONS, INC. 626   2020-08-27   
320-414 3 Little Falls MN STCDMNTOX8X  6701 AERIAL COMMUNICATIONS, INC. 626   2020-08-27   
320-414 4 Little Falls MN STCDMNTOXGX  5562 METROPCS, INC. 626   2015-10-19   
320-414 5 Little Falls MN STCDMNES7MD  973H MIDWEST NETWORK SOLUTIONS HUB LLC 626   2018-06-11   
320-414 6 Little Falls MN STCDMNTOXUX  8405 TELEPORT COMMUNICATIONS AMERICA, LLC - MN 626   2017-07-20   
320-414 7 Little Falls MN STCDMNTOX3X  184D ONVOY, LLC - MN 626   2007-03-11   
320-414 8 Little Falls MN LTFLMNLFAMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 626   2022-02-24   
320-414 9 Little Falls MN LTFLMNLFAMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 626   2016-10-04   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.