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: 810

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
608-810 A Portage WI MDSNWI025MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354      
608-810 0 Portage WI   6529 T-MOBILE USA, INC. 354   2022-05-13   
608-810 1 Portage WI   6529 T-MOBILE USA, INC. 354   2022-05-13   
608-810 2 Portage WI   6529 T-MOBILE USA, INC. 354   2022-05-13   
608-810 3 Portage WI   225C ONVOY, LLC - WI 354   2024-04-05   
608-810 4 Portage WI   5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354   2022-01-11   
608-810 5 Portage WI   225C ONVOY, LLC - WI 354   2023-10-28   
608-810 6 Portage WI   225C ONVOY, LLC - WI 354   2023-10-28   
608-810 7 Portage WI   225C ONVOY, LLC - WI 354   2023-10-28   
608-810 8 Portage WI   225C ONVOY, LLC - WI 354   2023-10-28   
608-810 9 Portage WI   225C ONVOY, LLC - WI 354   2023-10-28   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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