Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: MDSNWI11XSX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
608-421 5 Madison WI 7322 LEVEL 3 TELECOM OF WISCONSIN, LP - WI 354      
608-563 3 Janesville WI 7322 LEVEL 3 TELECOM OF WISCONSIN, LP - WI 354      
608-620 A Madison WI 7322 LEVEL 3 TELECOM OF WISCONSIN, LP - WI 354      
608-620 2 Madison WI 7322 LEVEL 3 TELECOM OF WISCONSIN, LP - WI 354      
608-709 A Madison WI 7322 LEVEL 3 TELECOM OF WISCONSIN, LP - WI 354      
608-709 3 Madison WI 7322 LEVEL 3 TELECOM OF WISCONSIN, LP - WI 354      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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