Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
580-452 A   624H ONVOY SPECTRUM, LLC 536   2025-03-06   
580-452 0   624H ONVOY SPECTRUM, LLC 536   2025-03-06   
580-664 A BTLROKXARS1  1965 WINDSTREAM OKLAHOMA, INC. 536      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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