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: 640

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
320-640 A St Cloud MN STCDMNTOX3X  184D ONVOY, LLC - MN 626      
320-640 0 St Cloud MN STCDMNTOX3X  184D ONVOY, LLC - MN 626   2017-04-16   
320-640 1 St Cloud MN STCDMNTOX3X  184D ONVOY, LLC - MN 626   2017-04-16   
320-640 2 St Cloud MN STCDMNTOX3X  184D ONVOY, LLC - MN 626   2017-04-16   
320-640 3 St Cloud MN STCDMNTOX3X  184D ONVOY, LLC - MN 626   2017-04-16   
320-640 4 St Cloud MN STCDMNTOX3X  184D ONVOY, LLC - MN 626   2017-04-16   
320-640 5 St Cloud MN STCDMNTOX3X  184D ONVOY, LLC - MN 626   2017-04-16   
320-640 6 St Cloud MN STCDMNTOX3X  184D ONVOY, LLC - MN 626   2017-04-16   
320-640 7 St Cloud MN STCDMNTOX3X  184D ONVOY, LLC - MN 626   2017-04-16   
320-640 8 St Cloud MN STCDMNTOX3X  184D ONVOY, LLC - MN 626   2017-04-16   
320-640 9 St Cloud MN STCDMNTOX3X  184D ONVOY, LLC - MN 626   2017-04-16   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.