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: 664

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
320-664 A Lake Lillian MN LKLLMNXLRS0  1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 626      
320-664 0 Lake Lillian MN LKLLMNXLRS0  1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 626      
320-664 1 Lake Lillian MN LKLLMNXLRS0  1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 626      
320-664 2 Lake Lillian MN STCDMNTOXTX  073H TELNYX LLC 626      
320-664 3 Lake Lillian MN STCDMNTOX3X  184D ONVOY, LLC - MN 626      
320-664 4 Lake Lillian MN LKLLMNXLRS0  1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 626      
320-664 5 Lake Lillian MN LKLLMNXLRS0  1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 626      
320-664 6 Lake Lillian MN LKLLMNXLRS0  1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 626      
320-664 7 Lake Lillian MN LKLLMNXLRS0  1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 626      
320-664 8 Lake Lillian MN LKLLMNXLRS0  1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 626      
320-664 9 Lake Lillian MN LKLLMNXLRS0  1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 626      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.