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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
608-417 A Madison WI MDSNWIUQDS0  7588 CENTURYTEL ACQ LLC DBA CENTURYLINK ACQUISITION WI 354   2007-04-09   
608-417 0 Madison WI   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2008-12-15   
608-417 1 Madison WI   7588 CENTURYTEL ACQ LLC DBA CENTURYLINK ACQUISITION WI 354   2007-04-09   
608-417 2 Madison WI   7588 CENTURYTEL ACQ LLC DBA CENTURYLINK ACQUISITION WI 354   2007-04-09   
608-417 3 Madison WI   7588 CENTURYTEL ACQ LLC DBA CENTURYLINK ACQUISITION WI 354   2007-04-09   
608-417 4 Madison WI   7588 CENTURYTEL ACQ LLC DBA CENTURYLINK ACQUISITION WI 354   2007-04-09   
608-417 5 Madison WI   7588 CENTURYTEL ACQ LLC DBA CENTURYLINK ACQUISITION WI 354   2007-04-09   
608-417 6 Madison WI   7588 CENTURYTEL ACQ LLC DBA CENTURYLINK ACQUISITION WI 354   2007-04-09   
608-417 7 Madison WI   7588 CENTURYTEL ACQ LLC DBA CENTURYLINK ACQUISITION WI 354   2007-04-09   
608-417 8 Madison WI   7588 CENTURYTEL ACQ LLC DBA CENTURYLINK ACQUISITION WI 354   2007-04-09   
608-417 9 Madison WI   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2008-12-15   

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.