Area Code Lookup
What Area Code Is Grinnell?
Area code 641 · Iowa
Grinnell uses area code 641. It is located in Iowa.
Area Code Serving Grinnell
Frequently Asked Questions
What area code is Grinnell?
Grinnell uses area code 641. It is located in Iowa.
How do I call Grinnell from outside the US?
To call Grinnell from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-641-XXX-XXXX). The +1 is the country code for all NANPA countries.