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: 680

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
608-680 A Brooklyn WI MDSNWI11XAX  225C ONVOY, LLC - WI 354      
608-680 0 Brooklyn WI   145J TERRA NOVA TELECOM INC. 354   2025-07-20   
608-680 2 Brooklyn WI   225C ONVOY, LLC - WI 354   2019-07-09   
608-680 3 Brooklyn WI   225C ONVOY, LLC - WI 354   2019-07-09   
608-680 4 Brooklyn WI   624H ONVOY SPECTRUM, LLC 354   2021-06-24   
608-680 6 Brooklyn WI   225C ONVOY, LLC - WI 354   2021-04-04   

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

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