Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 612 [Rate centres in NPA 612] [Dial plan for NPA 612]

NXX: 305

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
612-305 A Twin Cities MN MPLSMNDTDS7  9631 QWEST CORPORATION 628      
612-305 0 Twin Cities MN   9631 QWEST CORPORATION 628      
612-305 1 Twin Cities MN   9631 QWEST CORPORATION 628      
612-305 2 Twin Cities MN   9631 QWEST CORPORATION 628      
612-305 3 Twin Cities MN   9631 QWEST CORPORATION 628      
612-305 4 Twin Cities MN   9631 QWEST CORPORATION 628      
612-305 5 Twin Cities MN   9631 QWEST CORPORATION 628      
612-305 6 Twin Cities MN   4139 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 628   2006-05-12   
612-305 7 Twin Cities MN   4139 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 628   2008-09-26   
612-305 8 Twin Cities MN   980E BANDWIDTH.COM CLEC, LLC - MN 628   2010-02-18   
612-305 9 Twin Cities MN   9631 QWEST CORPORATION 628      

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

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