Area Code Lookup
What Area Code Is Cheyenne?
Area code 307 · Wyoming
Cheyenne uses area code 307. It is located in Wyoming.
Area Code Serving Cheyenne
Frequently Asked Questions
What area code is Cheyenne?
Cheyenne uses area code 307. It is located in Wyoming.
How do I call Cheyenne from outside the US?
To call Cheyenne from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-307-XXX-XXXX). The +1 is the country code for all NANPA countries.