Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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

NXX: 285

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
608-285 A Madison WI MDSNWI11DS1  9327 WISCONSIN BELL INC 354      
608-285 0 Madison WI MDSNWI11DS1  9327 WISCONSIN BELL INC 354      
608-285 1 Madison WI MDSNWI11DS1  9327 WISCONSIN BELL INC 354      
608-285 2 Madison WI MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354      
608-285 3 Madison WI MDSNWI11DS1  9327 WISCONSIN BELL INC 354      
608-285 4 Madison WI MDSNWI11DS1  9327 WISCONSIN BELL INC 354      
608-285 5 Madison WI FTBGWIDKGT0  3839 CHARTER FIBERLINK, LLC - WI 354      
608-285 6 Madison WI MDSNWI11DS1  9327 WISCONSIN BELL INC 354      
608-285 7 Madison WI MDSNWI11DS1  9327 WISCONSIN BELL INC 354      
608-285 8 Madison WI MDSNWI11DS1  9327 WISCONSIN BELL INC 354      
608-285 9 Madison WI FTBGWIDKGT0  3839 CHARTER FIBERLINK, LLC - WI 354      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.