Pittsburg, Oklahoma Area Code
Pittsburg, OK is officially utilizing an area code overlay in which area codes 539 and 918 serve the same geographic area. Ten digit dialing (area code + seven digit number) is necessary.
In addition to Pittsburg, OK area code information read more about area codes 539 and 918 details and Oklahoma area codes.
Pittsburg, OK is located in Pittsburg County and observes the Central Time Zone.
View our Times by Area Code tool.