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: 737

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
608-737 A North Freedom WI FTBGWIDKGT0  3839 CHARTER FIBERLINK, LLC - WI 354      
608-737 1 North Freedom WI FTBGWIDKGT0  3839 CHARTER FIBERLINK, LLC - WI 354   2008-04-12   
608-737 3 North Freedom WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2019-08-29   
608-737 4 North Freedom WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2021-04-05   
608-737 7 North Freedom WI MDSNWI025MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354   2014-12-05   
608-737 8 North Freedom WI MDSRWIKE5MD  516J TON80 COMMUNICATIONS, LLC 354   2021-09-09   
608-737 9 North Freedom WI MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354   2020-03-01   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.