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: 520

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-520 A Fox Lake WI FDULWIGN0MD  3839 CHARTER FIBERLINK, LLC - WI 356      
920-520 0 Fox Lake WI FDULWIGN0MD  3839 CHARTER FIBERLINK, LLC - WI 356   2007-06-23   
920-520 2 Fox Lake WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2019-08-29   
920-520 4 Fox Lake WI MILWWI12XTX  624H ONVOY SPECTRUM, LLC 356   2021-06-25   
920-520 5 Fox Lake WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2021-04-08   
920-520 6 Fox Lake WI MILWWIHEVMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 356   2020-03-11   
920-520 7 Fox Lake WI MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2014-12-31   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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