Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: MDSNWI025MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
608-416 A Madison WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354      
608-433 A La Crosse WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354      
608-466 A Beloit WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354      
608-467 A Madison WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354      
608-478 A Sun Prairie WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354      
608-492 A Stoughton WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354      
608-498 A La Crosse WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354      
608-517 A Fennimore WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354   2024-01-16   
608-554 A Janesville WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354      
608-561 A Edgerton WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354      
608-668 A La Crosse WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354      
608-708 A Deerfield WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354      
608-713 A Beloit WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354      
608-716 A Madison WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354      
608-729 A Madison WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354      
608-807 A Madison WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354      
608-810 A Portage WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354      
608-816 A La Crosse WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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