Local Calling Guide

Area code/prefix search

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Owosso, MI

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
989-998 8 SGNWMIACEMD  516J TON80 COMMUNICATIONS, LLC 344   2022-04-14   
989-998 9 SGNWMIATX2X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2018-09-15   

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Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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