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
608-440 A Madison WI   7216 TELEPORT COMMUNICATIONS AMERICA, LLC - WI 354      
608-440 0 Madison WI   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2015-06-14   
608-440 1 Madison WI   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2015-12-31   
608-440 2 Madison WI   5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354   2015-03-16   
608-440 3 Madison WI   6529 T-MOBILE USA, INC. 354   2015-09-13   
608-440 4 Madison WI   6529 T-MOBILE USA, INC. 354   2015-09-13   
608-440 5 Madison WI   6529 T-MOBILE USA, INC. 354   2015-09-13   
608-440 6 Madison WI   7216 TELEPORT COMMUNICATIONS AMERICA, LLC - WI 354   2014-12-01   
608-440 7 Madison WI   7575 CENTURYLINK COMMUNICATIONS LLC 354   2015-06-08   
608-440 8 Madison WI   007F BANDWIDTH.COM CLEC, LLC - WI 354   2015-03-13   
608-440 9 Madison WI   007F BANDWIDTH.COM CLEC, LLC - WI 354   2015-03-13   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.