Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 920 [Rate centres in NPA 920] [Dial plan for NPA 920]

NXX: 937

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-937 A Oakfield WI MILWWI12ZMD  6274 UNITED STATES CELLULAR - WI 356      
920-937 0 Oakfield WI MILWWI12ZMD  6274 UNITED STATES CELLULAR - WI 356   2018-10-25   
920-937 1 Oakfield WI   5562 METROPCS, INC. 356   2025-03-30   
920-937 2 Oakfield WI PLMOWIXAEMD  624H ONVOY SPECTRUM, LLC 356   2021-06-26   
920-937 3 Oakfield WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2020-04-19   
920-937 4 Oakfield WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2021-06-03   
920-937 5 Oakfield WI   5562 METROPCS, INC. 356   2025-03-30   
920-937 6 Oakfield WI MILWWIAU03Z  516J TON80 COMMUNICATIONS, LLC 356   2021-09-05   
920-937 7 Oakfield WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2021-04-12   
920-937 8 Oakfield WI   6529 T-MOBILE USA, INC. 356   2025-02-21   
920-937 9 Oakfield WI   6529 T-MOBILE USA, INC. 356   2025-02-21   

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

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