Local Calling Guide

Area code/prefix search

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Niagara, WI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
715-251 A NIGRWIXADS1  0920 NIAGARA TEL. CO. 342      
715-251 0 NIGRWIXADS1  0920 NIAGARA TEL. CO. 342      
715-251 1 NIGRWIXADS1  0920 NIAGARA TEL. CO. 342      
715-251 2 NIGRWIXADS1  0920 NIAGARA TEL. CO. 342      
715-251 3 NIGRWIXADS1  0920 NIAGARA TEL. CO. 342      
715-251 4 NIGRWIXADS1  0920 NIAGARA TEL. CO. 342      
715-251 5 NIGRWIXADS1  0920 NIAGARA TEL. CO. 342      
715-251 6 MRQTMIMNCMD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 342   2017-06-15   
715-251 7 NIGRWIXADS1  0920 NIAGARA TEL. CO. 342      
715-251 8 NIGRWIXADS1  0920 NIAGARA TEL. CO. 342      
715-251 9 NIGRWIXADS1  0920 NIAGARA TEL. CO. 342      
715-988 A MRQTMIMNX9X  6692 NEW CELL DBA CELLCOM 342      
715-988 0 MRQTMIMNX9X  6692 NEW CELL DBA CELLCOM 342   2008-07-13   
715-988 1 NGNEMIAM7MD  792K CHARTER IP ENABLED SERVICES, LLC 342   2024-05-19   
715-988 2 NGNEMIAM6MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 342   2021-10-01   
715-988 4 MRQTMIMNX8X  793K TWC IP ENABLED SERVICES, LLC 342   2026-03-08   

Last updated: Sun, 01 Nov 2026 02:11:49 UTC

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