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: 644

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-644 A Mayville WI MILWWIHEVMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 356      
920-644 0 Mayville WI MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2006-01-14   
920-644 1 Mayville WI MILWWIAUX6Y  073H TELNYX LLC 356   2017-04-24   
920-644 2 Mayville WI FDULWIGN0MD  3839 CHARTER FIBERLINK, LLC - WI 356   2007-04-16   
920-644 3 Mayville WI MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2008-11-22   
920-644 4 Mayville WI MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2004-07-02   
920-644 5 Mayville WI MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2010-03-04   
920-644 6 Mayville WI MILXWI142MD  7767 OVATION COMMUNICATIONS OF WISCONSIN, INC. 356   2010-04-08   
920-644 7 Mayville WI   145J TERRA NOVA TELECOM INC. 356   2022-08-03   
920-644 8 Mayville WI FDULWIGN0MD  3839 CHARTER FIBERLINK, LLC - WI 356   2015-12-16   
920-644 9 Mayville WI MILWWIHEVMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 356      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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