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: 450

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
608-450 A Oxford WI MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      
608-450 0 Oxford WI MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      
608-450 1 Oxford WI MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354      
608-450 2 Oxford WI MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      
608-450 3 Oxford WI MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354      
608-450 6 Oxford WI MDSNWI02ZMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.