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: 688

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
608-688 A Cottage Grove WI MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354      
608-688 0 Cottage Grove WI MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354   2015-03-26   
608-688 1 Cottage Grove WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2019-06-04   
608-688 2 Cottage Grove WI MDSNWIGJGT0  7804 TDS METROCOM, INC. - WI 354   2019-07-02   
608-688 3 Cottage Grove WI MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354   2021-01-10   
608-688 4 Cottage Grove WI MDSNWI025MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354   2020-05-03   
608-688 5 Cottage Grove WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2021-01-15   
608-688 6 Cottage Grove WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2018-11-05   
608-688 7 Cottage Grove WI LCRSWIXCIMD  508J CENTURYLINK COMMUNICATIONS, LLC 354   2015-03-30   
608-688 8 Cottage Grove WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2018-01-05   
608-688 9 Cottage Grove WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2019-06-04   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.