Area Code Lookup
What Area Code Is Green Bay?
Area code 920 · Wisconsin
Green Bay uses area code 920. It is located in Wisconsin.
Area Code Serving Green Bay
Frequently Asked Questions
What area code is Green Bay?
Green Bay uses area code 920. It is located in Wisconsin.
How do I call Green Bay from outside the US?
To call Green Bay from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-920-XXX-XXXX). The +1 is the country code for all NANPA countries.