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: 918

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
608-918 A Sauk City WI DGVLWIXAOMD  624H ONVOY SPECTRUM, LLC 354      
608-918 0 Sauk City WI MDSNWI11X4Y  6529 T-MOBILE USA, INC. 354   2025-02-22   
608-918 1 Sauk City WI MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354   2025-12-20   
608-918 9 Sauk City WI DGVLWIXAOMD  624H ONVOY SPECTRUM, LLC 354   2023-07-10   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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