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: 742

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
608-742 A Portage WI PRTGWIXADS0  0886 FRONTIER NORTH INC. - WI 354      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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