Local Calling Guide

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NPA: 608 [Rate centres in NPA 608] [Dial plan for NPA 608]

NXX: 721

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
608-721 A Madison WI MDSNWI11XGX  369E YMAX COMMUNICATIONS CORP. - WI 354      
608-721 0 Madison WI MDSNWI11XGX  369E YMAX COMMUNICATIONS CORP. - WI 354   2008-10-30   
608-721 1 Madison WI MDSNWI11XGX  369E YMAX COMMUNICATIONS CORP. - WI 354   2008-10-30   
608-721 2 Madison WI MDSRWIKE4MD  145J TERRA NOVA TELECOM INC. 354   2024-12-29   
608-721 3 Madison WI   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2025-01-24   
608-721 4 Madison WI   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2025-01-24   
608-721 5 Madison WI MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354   2011-03-21   
608-721 6 Madison WI MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354   2010-11-20   
608-721 7 Madison WI MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354   2011-03-21   
608-721 8 Madison WI MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2024-12-05   
608-721 9 Madison WI   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2025-01-24   

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

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