Local Calling Guide

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Watertown, WI

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
920-941 1   624H ONVOY SPECTRUM, LLC 356   2021-06-27   
920-941 2   225C ONVOY, LLC - WI 356   2021-04-12   
920-941 3   225C ONVOY, LLC - WI 356   2021-04-12   
920-941 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 356   2023-08-27   
920-941 6   6529 T-MOBILE USA, INC. 356   2020-09-18   
920-941 7   6529 T-MOBILE USA, INC. 356   2020-09-18   
920-941 8   6529 T-MOBILE USA, INC. 356   2020-09-18   
920-941 9   6529 T-MOBILE USA, INC. 356      
920-988 A MILWWI12ZMD  6274 UNITED STATES CELLULAR - WI 356      

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Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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