Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
580-346 A STTWOKXADS0  1965 WINDSTREAM OKLAHOMA, INC. 536      
580-961 A STTWOKXAPS0  1965 WINDSTREAM OKLAHOMA, INC. 536      
580-961 0   624H ONVOY SPECTRUM, LLC 536   2025-01-22   
580-961 1   5257 LEVEL 3 COMMUNICATIONS, LLC - OK 536   2022-07-10   
580-961 6   530C TELEPORT COMMUNICATIONS AMERICA OK - LLC 536   2018-11-01   
580-961 9   1965 WINDSTREAM OKLAHOMA, INC. 536   2016-08-27   

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

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