Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Velma, OK

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
580-270 A VELMOKXAPS0  1965 WINDSTREAM OKLAHOMA, INC. 536      
580-270 0   624H ONVOY SPECTRUM, LLC 536   2025-01-22   
580-270 9   1965 WINDSTREAM OKLAHOMA, INC. 536   2015-09-01   
580-444 A VELMOKXADS0  1965 WINDSTREAM OKLAHOMA, INC. 536      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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