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: 333

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
608-333 A Madison WI MDSNWIGJGT0  7804 TDS METROCOM, INC. - WI 354      
608-333 0 Madison WI MDSNWIGJGT0  7804 TDS METROCOM, INC. - WI 354      
608-333 1 Madison WI MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      
608-333 2 Madison WI MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      
608-333 3 Madison WI MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      
608-333 4 Madison WI MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      
608-333 5 Madison WI MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      
608-333 6 Madison WI MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      
608-333 7 Madison WI MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      
608-333 8 Madison WI MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      
608-333 9 Madison WI MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.