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: 520

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
608-520 A Madison WI MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354      
608-520 0 Madison WI MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354   2010-10-07   
608-520 1 Madison WI MDSNWI11X2Y  5562 METROPCS, INC. 354   2011-01-17   
608-520 2 Madison WI MDSNWI11X2Y  5562 METROPCS, INC. 354   2011-01-17   
608-520 3 Madison WI MDSNWI11X2Y  5562 METROPCS, INC. 354   2011-01-17   
608-520 4 Madison WI MDSNWI11X2Y  5562 METROPCS, INC. 354   2011-01-17   
608-520 5 Madison WI MDSNWI11X2Y  5562 METROPCS, INC. 354   2011-01-17   
608-520 6 Madison WI MDSNWI11X2Y  5562 METROPCS, INC. 354   2011-01-17   
608-520 7 Madison WI MDSNWI11X2Y  5562 METROPCS, INC. 354   2011-01-17   
608-520 8 Madison WI MDSNWI11X2Y  5562 METROPCS, INC. 354   2011-02-28   
608-520 9 Madison WI MDSNWI11X2Y  5562 METROPCS, INC. 354   2011-02-28   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.