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: 531

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
608-531 A Janesville WI MDSNWI11XYY  829J PAETEC ITEL, LLC 354      
608-531 0 Janesville WI   829J PAETEC ITEL, LLC 354      
608-531 1 Janesville WI   829J PAETEC ITEL, LLC 354      
608-531 2 Janesville WI   829J PAETEC ITEL, LLC 354      
608-531 3 Janesville WI   829J PAETEC ITEL, LLC 354      
608-531 4 Janesville WI   829J PAETEC ITEL, LLC 354      
608-531 5 Janesville WI   829J PAETEC ITEL, LLC 354      
608-531 6 Janesville WI   829J PAETEC ITEL, LLC 354      
608-531 7 Janesville WI   7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354   2008-03-03   
608-531 8 Janesville WI   007F BANDWIDTH.COM CLEC, LLC - WI 354   2014-10-19   
608-531 9 Janesville WI   829J PAETEC ITEL, LLC 354      

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

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