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: 291

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
612-291 A Twin Cities MN MPLSMNCDDS3  8405 TELEPORT COMMUNICATIONS AMERICA, LLC - MN 628      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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