thedirectory - Area Code 918 History

Area Code 918 History - Oklahoma

Significant events for area code 918

Date
Details

January 1, 1953 Area code 405 was split with 918 covering northeastern Oklahoma

April 1, 2011 Area code 539 was overlaid on 918

Date	Details
January 1, 1953	Area code 405 was split with 918 covering northeastern Oklahoma
April 1, 2011	Area code 539 was overlaid on 918

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