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: 666

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
608-666 A Lyndon Station WI LYSTWIXARL0  0886 FRONTIER NORTH INC. - WI 354      
608-666 2 Lyndon Station WI LYSTWIXARL0  0886 FRONTIER NORTH INC. - WI 354      
608-666 4 Lyndon Station WI MDSRWIKE5MD  516J TON80 COMMUNICATIONS, LLC 354      
608-666 5 Lyndon Station WI FTBGWIDKGT0  3839 CHARTER FIBERLINK, LLC - WI 354      
608-666 6 Lyndon Station WI MDSRWIKEAMD  965H FRACTEL, LLC 354      
608-666 7 Lyndon Station WI LCRSWIXCIMD  508J CENTURYLINK COMMUNICATIONS, LLC 354      
608-666 8 Lyndon Station WI MDSNWI11XAY  624H ONVOY SPECTRUM, LLC 354      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.