Middlefield, Ohio Area Code

Middlefield, OH Area Codes are

Middlefield, OH is officially utilizing one area code which is area code 440.

In addition to Middlefield, OH area code information read more about area code 440 details and Ohio area codes.

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

Ohio Area Code Map