WHAT YOU NEED TO KNOW
Area code 539 covers Tulsa Area Overlay in Oklahoma. The region operates on Central Time. It is an overlay of area code 918, requiring 10-digit dialing for all local calls.
WHAT YOU NEED TO KNOW
Area code 539 covers Tulsa Area Overlay in Oklahoma. The region operates on Central Time. It is an overlay of area code 918, requiring 10-digit dialing for all local calls.