Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Roger Mills, OK

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
580-946 A OKCYOKCEXLZ  965H FRACTEL, LLC 536      
580-946 3   965H FRACTEL, LLC 536   2020-11-07   
580-983 A CHYNOKXADS0  1988 DOBSON TEL. CO. 536      
580-983 0   1988 DOBSON TEL. CO. 536      
580-983 1   1988 DOBSON TEL. CO. 536      
580-983 2   1988 DOBSON TEL. CO. 536      
580-983 3   1988 DOBSON TEL. CO. 536      
580-983 4   1988 DOBSON TEL. CO. 536      
580-983 5   145J TERRA NOVA TELECOM INC. 536   2025-07-12   
580-983 7   1988 DOBSON TEL. CO. 536      
580-983 8   1988 DOBSON TEL. CO. 536      
580-983 9   1988 DOBSON TEL. CO. 536      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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