Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Dill City, OK

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
580-674 A DLCYOKXARS1  1965 WINDSTREAM OKLAHOMA, INC. 536      
580-899 A OKCYOKCEXLZ  965H FRACTEL, LLC 536      
580-899 0 OKCYOKCEXJZ  624H ONVOY SPECTRUM, LLC 536   2025-01-22   
580-899 8   145J TERRA NOVA TELECOM INC. 536   2025-07-12   
580-899 9 OKCYOKCEXLZ  965H FRACTEL, LLC 536   2020-11-07   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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