Local Calling Guide

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

NXX: 292

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
608-292 A Madison WI MDSNWI11XIY  478J NUSO, LLC 354      
608-292 0 Madison WI   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2021-03-26   
608-292 1 Madison WI   478J NUSO, LLC 354   2020-10-01   
608-292 2 Madison WI   225C ONVOY, LLC - WI 354   2020-12-03   
608-292 3 Madison WI   225C ONVOY, LLC - WI 354   2020-12-03   
608-292 4 Madison WI   225C ONVOY, LLC - WI 354   2020-12-03   
608-292 5 Madison WI   225C ONVOY, LLC - WI 354   2020-12-03   
608-292 6 Madison WI   225C ONVOY, LLC - WI 354   2020-12-03   
608-292 7 Madison WI   225C ONVOY, LLC - WI 354   2021-01-07   
608-292 8 Madison WI   7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354   2021-01-04   
608-292 9 Madison WI   225C ONVOY, LLC - WI 354   2021-01-07   

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

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