Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 608 [Rate centres in NPA 608] [Dial plan for NPA 608]

NXX: 218

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
608-218 A Madison WI MDSNWI13DS0  9327 WISCONSIN BELL INC 354      
608-218 0 Madison WI   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2011-08-13   
608-218 1 Madison WI   007F BANDWIDTH.COM CLEC, LLC - WI 354   2023-01-02   
608-218 2 Madison WI   9327 WISCONSIN BELL INC 354      
608-218 3 Madison WI   007F BANDWIDTH.COM CLEC, LLC - WI 354   2012-09-20   
608-218 4 Madison WI   007F BANDWIDTH.COM CLEC, LLC - WI 354   2010-03-21   
608-218 5 Madison WI   007F BANDWIDTH.COM CLEC, LLC - WI 354   2012-09-20   
608-218 6 Madison WI   5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354   2025-02-28   
608-218 7 Madison WI   9327 WISCONSIN BELL INC 354      
608-218 8 Madison WI   9327 WISCONSIN BELL INC 354      
608-218 9 Madison WI   9327 WISCONSIN BELL INC 354      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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