Local Calling Guide

Area code/prefix search

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NPA: 308 [Rate centres in NPA 308] [Dial plan for NPA 308]

NXX: 571

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
308-571 A St Paul NE GDISNENW1MD  6263 UNITED STATES CELLULAR - NE 646      
308-571 0 St Paul NE   6263 UNITED STATES CELLULAR - NE 646      
308-571 1 St Paul NE   549E ONVOY, LLC - NE 646   2021-03-11   
308-571 2 St Paul NE   549E ONVOY, LLC - NE 646   2020-10-06   
308-571 3 St Paul NE   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 646   2016-11-14   
308-571 4 St Paul NE   549E ONVOY, LLC - NE 646   2020-08-18   
308-571 5 St Paul NE   549E ONVOY, LLC - NE 646   2020-01-20   
308-571 6 St Paul NE   549E ONVOY, LLC - NE 646   2020-08-18   
308-571 7 St Paul NE   624H ONVOY SPECTRUM, LLC 646   2025-02-01   
308-571 8 St Paul NE   6263 UNITED STATES CELLULAR - NE 646   2018-08-16   
308-571 9 St Paul NE   6263 UNITED STATES CELLULAR - NE 646   2015-12-31   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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