Area Code Lookup
What Area Code Is Marlboro?
Area code 234 · Ohio
Marlboro uses area code 234. It is located in Ohio.
Area Code Serving Marlboro
Frequently Asked Questions
What area code is Marlboro?
Marlboro uses area code 234. It is located in Ohio.
How do I call Marlboro from outside the US?
To call Marlboro from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-234-XXX-XXXX). The +1 is the country code for all NANPA countries.