Local Calling Guide

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Jefferson, WI

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
920-747 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 356   2026-05-04   
920-747 5 PEWTWICI7MD  6529 T-MOBILE USA, INC. 356   2017-06-09   
920-747 6 BRFDWIJZDS0  7322 LEVEL 3 TELECOM OF WISCONSIN, LP - WI 356   2013-06-20   
920-747 9 PEWTWICI7MD  6529 T-MOBILE USA, INC. 356      

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Last updated: Sun, 17 May 2026 03:26:51 UTC

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