Local Calling Guide

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NPA: 608 [Rate centres in NPA 608] [Dial plan for NPA 608]

NXX: 550

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
608-550 A Madison WI MDSNWI11XIX  9748 AMERICAN MESSAGING SERVICES, LLC 354      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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