Where is 307 area code?

307 – Wyoming

What area code is 307

Wyoming is a state in the West of the United States of America. The name should be taken from the language of the Algokine tribe and mean “large levels”.

With a population of about 530,000, Wyoming is one of the most populous states in the United States and according to Alaska is the state with the lowest population density. The capital city of Wyoming, and at the same time the largest city of the state, is Cheyenne.