Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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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 0 Windsor CO   145J TERRA NOVA TELECOM INC. 656   2025-04-16   
970-303 3 Windsor CO   624H ONVOY SPECTRUM, LLC 656   2025-03-17   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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