Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Green Bay, WI

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
920-977 7 GNBYWIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 350   2019-04-08   
920-977 8 GNBYWIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 350   2019-04-08   
920-977 9 APPLWI01XEX  5562 METROPCS, INC. 350   2019-01-27   

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Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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