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.

Switch: LODIWIXARS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
608-592 A Lodi WI 0886 FRONTIER NORTH INC. - WI 354      
608-592 1 Lodi WI 0886 FRONTIER NORTH INC. - WI 354      
608-592 2 Lodi WI 0886 FRONTIER NORTH INC. - WI 354      
608-592 3 Lodi WI 0886 FRONTIER NORTH INC. - WI 354      
608-592 4 Lodi WI 0886 FRONTIER NORTH INC. - WI 354      
608-592 5 Lodi WI 0886 FRONTIER NORTH INC. - WI 354      
608-592 6 Lodi WI 0886 FRONTIER NORTH INC. - WI 354      
608-592 7 Lodi WI 0886 FRONTIER NORTH INC. - WI 354      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.