Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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      
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 KGFRMI022MD  6692 NEW CELL DBA CELLCOM 342      
715-988 0 KGFRMI022MD  6692 NEW CELL DBA CELLCOM 342      
715-988 1 NGNEMIAM2MD  3839 CHARTER FIBERLINK, LLC - WI 342      
715-988 2 PRKNMIATPMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 342      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.