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: 871

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-871 A Hilbert WI MILWWI12XAY  793K TWC IP ENABLED SERVICES, LLC 356      
920-871 0 Hilbert WI MILWWIHEVMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 356   2023-06-15   
920-871 1 Hilbert WI PEWTWICI7MD  5562 METROPCS, INC. 356   2021-07-16   
920-871 2 Hilbert WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2021-04-08   
920-871 3 Hilbert WI   6529 T-MOBILE USA, INC. 356   2026-09-22   
920-871 4 Hilbert WI MILWWI12XAY  793K TWC IP ENABLED SERVICES, LLC 356   2007-03-27   
920-871 5 Hilbert WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2023-01-15   
920-871 6 Hilbert WI PLMOWIXAEMD  624H ONVOY SPECTRUM, LLC 356   2021-06-25   
920-871 8 Hilbert WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2020-04-19   
920-871 9 Hilbert WI PLMOWIXAHMD  225C ONVOY, LLC - WI 356   2023-09-15   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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