Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 608 [Rate centres in NPA 608] [Dial plan for NPA 608]

NXX: 888

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
608-888 A Madison WI MDSNWI11XAX  225C ONVOY, LLC - WI 354      
608-888 0 Madison WI   225C ONVOY, LLC - WI 354   2016-01-04   
608-888 1 Madison WI   225C ONVOY, LLC - WI 354   2016-01-04   
608-888 2 Madison WI   225C ONVOY, LLC - WI 354   2016-01-04   
608-888 3 Madison WI   5562 METROPCS, INC. 354   2016-05-09   
608-888 4 Madison WI   5562 METROPCS, INC. 354   2016-05-09   
608-888 5 Madison WI   7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354   2015-11-27   
608-888 6 Madison WI   007F BANDWIDTH.COM CLEC, LLC - WI 354   2023-01-02   
608-888 7 Madison WI   225C ONVOY, LLC - WI 354   2017-06-04   
608-888 8 Madison WI   225C ONVOY, LLC - WI 354   2015-10-15   
608-888 9 Madison WI   225C ONVOY, LLC - WI 354   2015-10-15   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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