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: 487

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
608-487 A Sparta WI MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      
608-487 0 Sparta WI MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      
608-487 1 Sparta WI MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      
608-487 2 Sparta WI MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      
608-487 3 Sparta WI MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      
608-487 4 Sparta WI MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      
608-487 5 Sparta WI MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      
608-487 6 Sparta WI MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      
608-487 7 Sparta WI MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      
608-487 8 Sparta WI ONLSWIBR0MD  3839 CHARTER FIBERLINK, LLC - WI 354   2013-01-04   
608-487 9 Sparta WI ONLSWIBR0MD  3839 CHARTER FIBERLINK, LLC - WI 354   2007-03-05   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.