Middletown, Ohio Area Code

Middletown, OH Area Codes are

Middletown, OH is currently using one area code which is area code 937.

In addition to Middletown, OH area code information read more about area code 937 details and Ohio area codes.

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

Ohio Area Code Map