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: 558

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-558 A Neenah WI   793K TWC IP ENABLED SERVICES, LLC 350      
920-558 0 Neenah WI APPLWI01XEX  6529 T-MOBILE USA, INC. 350   2014-07-05   
920-558 1 Neenah WI APPLWI01XEX  6529 T-MOBILE USA, INC. 350   2014-07-05   
920-558 2 Neenah WI APPLWI01XEX  6529 T-MOBILE USA, INC. 350   2014-07-05   
920-558 3 Neenah WI GNBYWIATVMD  516C AT&T CORP. 350   2008-04-25   
920-558 4 Neenah WI   793K TWC IP ENABLED SERVICES, LLC 350   2004-03-01   
920-558 5 Neenah WI APPLWI01XEX  6529 T-MOBILE USA, INC. 350   2014-07-05   
920-558 6 Neenah WI APPLWI01XEX  6529 T-MOBILE USA, INC. 350   2014-07-05   
920-558 7 Neenah WI APPLWI01XEX  6529 T-MOBILE USA, INC. 350   2014-07-05   
920-558 8 Neenah WI APPLWI01XEX  6529 T-MOBILE USA, INC. 350   2014-07-05   
920-558 9 Neenah WI GNBYWIEL8MD  145J TERRA NOVA TELECOM INC. 350   2024-12-05   

Last updated: Sat, 21 Mar 2026 23:53:39 UTC

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