Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 320 [Rate centres in NPA 320] [Dial plan for NPA 320]

NXX: 558

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
320-558 A Clearwater MN CLWRMNXCDS0  1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 626      
320-558 0 Clearwater MN CLWRMNXCDS0  1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 626      
320-558 1 Clearwater MN CLSPMNAL0MD  429A MIDCONTINENT COMMUNICATIONS - MN 626   2011-10-14   
320-558 2 Clearwater MN CLWRMNXCDS0  1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 626      
320-558 3 Clearwater MN STCDMNTOX3X  184D ONVOY, LLC MN 626   2015-06-18   
320-558 4 Clearwater MN CLWRMNXCDS0  1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 626      
320-558 5 Clearwater MN CLWRMNXCDS0  1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 626      
320-558 6 Clearwater MN CLWRMNXCDS0  1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 626      
320-558 7 Clearwater MN STCDMNTOXRX  980E BANDWIDTH.COM CLEC, LLC - MN 626   2008-11-30   
320-558 8 Clearwater MN STCDMNTOX3X  184D ONVOY, LLC MN 626   2016-09-01   
320-558 9 Clearwater MN CLWRMNXCDS0  1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 626      

Last updated: Tue, 04 May 2021 15:04:27 UTC

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