Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 507 [Rate centres in NPA 507] [Dial plan for NPA 507]

NXX: 321

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
507-321 A Northfield MN MDFDMNAT6MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 620      
507-321 0 Northfield MN MDFDMNAT6MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 620      
507-321 1 Northfield MN MDFDMNAT6MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 620      
507-321 2 Northfield MN OWTNMNOWOMD  6701 AERIAL COMMUNICATIONS 620   2018-11-12   
507-321 3 Northfield MN MDFDMNAT6MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 620   2007-05-19   
507-321 4 Northfield MN ROCHMNROUMD  184D ONVOY, LLC MN 620   2004-05-20   
507-321 5 Northfield MN OWTNMNOWOMD  6701 AERIAL COMMUNICATIONS 620   2018-11-12   
507-321 6 Northfield MN OWTNMNOWYMD  7575 CENTURYLINK COMMUNICATIONS LLC 620   2017-05-03   
507-321 7 Northfield MN ROCHMNROXAX  8405 TELEPORT COMMUNICATIONS AMERICA, LLC - MN 620   2012-03-12   
507-321 8 Northfield MN OWTNMNCCCM0  5816 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN 620   2020-11-24   
507-321 9 Northfield MN   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 620   2021-04-19   

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

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