Coolville, Ohio Area Code

Coolville, OH Area Codes are

Coolville, OH is officially utilizing two area codes which are area codes 740 and 220.

In addition to Coolville, OH area code information read more details about area code 740, area code 220, and Ohio area codes.

Coolville, OH is located in Athens County and observes the Eastern Time Zone. View our Times by Area Code tool.

Ohio Area Code Map