Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: DLTHMNMEXCX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
218-576 A Duluth MN 551G NUSO, LLC 624      
218-576 1 Duluth MN 551G NUSO, LLC 624   2013-06-29   
218-606 4 Duluth MN 551G NUSO, LLC 624   2018-02-28   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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