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.

Fennimore, WI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
608-517 A MDSNWI025MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354   2024-01-16   
608-517 6 MDSNWI02ZMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354   2020-03-11   
608-517 7 MDSNWI025MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354   2017-12-08   
608-822 A FNMRWIXARP0  0930 GRANTLAND TELECOM, INC. 354      
608-822 0 FNMRWIXARP0  0930 GRANTLAND TELECOM, INC. 354      
608-822 1 MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354   2016-10-02   
608-822 2 FNMRWIXARP0  0930 GRANTLAND TELECOM, INC. 354      
608-822 3 FNMRWIXARP0  0930 GRANTLAND TELECOM, INC. 354      
608-822 4 FNMRWIXARP0  0930 GRANTLAND TELECOM, INC. 354      
608-822 5 MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354   2007-06-08   
608-822 6 FNMRWIXARP0  0930 GRANTLAND TELECOM, INC. 354      
608-822 7 FNMRWIXARP0  0930 GRANTLAND TELECOM, INC. 354      
608-822 8 FNMRWIXARP0  0930 GRANTLAND TELECOM, INC. 354      
608-822 9 PTVLWIXA0MD  983F MCC TELEPHONY OF THE MIDWEST, LLC - WI 354   2012-08-23   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.