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: 557

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
320-557 A St Joseph MN WTPKMNAC0MD  447D CHARTER FIBERLINK CCO, LLC - MN 626      
320-557 0 St Joseph MN WTPKMNAC0MD  447D CHARTER FIBERLINK CCO, LLC - MN 626      
320-557 1 St Joseph MN STCDMNES6MD  4156 TEKSTAR COMMUNICATIONS, INC. 626   2017-12-29   
320-557 2 St Joseph MN STCDMNATUMD  4587 CONSOLIDATED COMMUNICATIONS ENTERPRISE SVCS-MN 626   2011-12-02   
320-557 3 St Joseph MN STCDMNTOXQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 626   2019-09-14   
320-557 4 St Joseph MN STCDMNTOX3X  184D ONVOY, LLC MN 626   2019-02-25   
320-557 5 St Joseph MN STCDMNTOXQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 626   2013-06-07   
320-557 6 St Joseph MN STCDMNTOXQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 626   2015-06-15   
320-557 7 St Joseph MN STCDMNTOXQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 626   2016-07-21   
320-557 8 St Joseph MN STCDMNTOXQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 626   2017-10-24   
320-557 9 St Joseph MN STCDMNTOX3X  184D ONVOY, LLC MN 626   2019-02-25   

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

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