Local Calling Guide

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NPA: 660 [Rate centres in NPA 660] [Dial plan for NPA 660]

NXX: 399

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
660-399 A South Seymour MO SYMRIAXORS8  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      

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

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