Local Calling Guide

Area code/prefix search

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NPA: 970 [Rate centres in NPA 970] [Dial plan for NPA 970]

NXX: 303

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
970-303 A Windsor CO   624H ONVOY SPECTRUM, LLC 656   2025-03-17   
970-303 3 Windsor CO   624H ONVOY SPECTRUM, LLC 656   2025-03-17   

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

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