Local Calling Guide

Area code/prefix search

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Green Bay, WI

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
920-977 2 GNBYWIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 350   2019-02-17   
920-977 3 GNBYWIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 350   2019-02-17   
920-977 4 GNBYWIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 350   2019-04-12   
920-977 5 GNBYWI01XHX  624H ONVOY SPECTRUM, LLC 350   2020-07-06   
920-977 6 GNBYWIELDS0  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 350   2020-04-30   
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: Wed, 18 Jun 2025 02:30:00 UTC

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