Middletown, Ohio Area Code

Middletown, OH Area Codes are

937 and 326

Middletown, OH is officially utilizing two area codes which are area codes 326 and 937.

In addition to Middletown, OH area code information read more details about area code 937, area code 326, and Ohio area codes.

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