Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 218 [Rate centres in NPA 218] [Dial plan for NPA 218]

NXX: 355

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
218-355 A Duluth MN DLTHMNAS2MD  7421 AT&T - LOCAL 624      
218-355 0 Duluth MN   5816 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN 624   2006-02-10   
218-355 1 Duluth MN   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 624   2008-01-07   
218-355 2 Duluth MN   9631 QWEST CORPORATION 624   2006-05-29   
218-355 3 Duluth MN   9631 QWEST CORPORATION 624   2006-05-29   
218-355 4 Duluth MN   9631 QWEST CORPORATION 624   2006-11-06   
218-355 5 Duluth MN   9631 QWEST CORPORATION 624   2006-11-06   
218-355 7 Duluth MN   145J TERRA NOVA TELECOM INC. 624   2025-07-24   
218-355 8 Duluth MN   5816 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN 624   2008-04-21   
218-355 9 Duluth MN   7421 AT&T - LOCAL 624      

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

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