Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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Mountain View, OK

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
580-347 A MTVWOKXADS0  1965 WINDSTREAM OKLAHOMA, INC. 536      
580-671 A MTVWOKXAPS0  1965 WINDSTREAM OKLAHOMA, INC. 536      
580-671 6 OKCYOKCEXOY  530C TELEPORT COMMUNICATIONS AMERICA OK - LLC 536   2020-09-14   
580-671 9 MTVWOKXAPS0  1965 WINDSTREAM OKLAHOMA, INC. 536   2016-08-27   
580-966 A CLTNOKMA6MD  258F WICHITA ONLINE, INC. - OK 536      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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