Local Calling Guide

Area code/prefix search

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NPA: 920 [Rate centres in NPA 920] [Dial plan for NPA 920]

NXX: 557

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-557 A Beaver Dam WI MILWWIHEVMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 356      
920-557 0 Beaver Dam WI MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2021-11-28   
920-557 1 Beaver Dam WI MILXWIJIGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 356   2011-10-07   
920-557 2 Beaver Dam WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2016-03-25   
920-557 3 Beaver Dam WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2016-03-25   
920-557 4 Beaver Dam WI MILWWIAUDS2  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 356   2018-12-29   
920-557 6 Beaver Dam WI MILWWIHEVMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 356   2010-04-23   
920-557 7 Beaver Dam WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2021-04-05   
920-557 8 Beaver Dam WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2021-04-05   
920-557 9 Beaver Dam WI MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2021-11-28   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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