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: 330

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
608-330 A Platteville WI MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      
608-330 0 Platteville WI MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354   2004-07-06   
608-330 1 Platteville WI MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354   2004-07-06   
608-330 2 Platteville WI MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354   2004-07-06   
608-330 3 Platteville WI MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354   2004-07-06   
608-330 4 Platteville WI MDSNWI025MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354   2020-06-23   
608-330 6 Platteville WI MDSNWI02ZMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354   2018-01-19   
608-330 7 Platteville WI LCRSWIXCIMD  508J CENTURYLINK COMMUNICATIONS, LLC 354   2014-12-05   
608-330 9 Platteville WI MDSRWIKE1MD  939H COMMIO, LLC 354   2023-06-01   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.