Area Code Lookup
What Area Code Is Dewey?
Area code 918 · Oklahoma
Dewey uses area code 918. It is located in Oklahoma.
Area Code Serving Dewey
Frequently Asked Questions
What area code is Dewey?
Dewey uses area code 918. It is located in Oklahoma.
How do I call Dewey from outside the US?
To call Dewey from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-918-XXX-XXXX). The +1 is the country code for all NANPA countries.