Area code 307
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North American Area code 307 is the area code that serves the entire U.S. state of Wyoming. It is one of the original area codes created in 1947.
Due to its low population, Wyoming is one of the few states that has only one area code.
External links
- "Area Code Maps". NANPA.
North: 406 | ||
West: 208, 406, 435 | Area code 307 | East: 605, 308 |
South: 435, 970 | ||
Colorado area codes: 303/720/983, 719, 970 | ||
Utah area codes: 385/801, 435 | ||
Idaho area codes: 208/986 | ||
Montana area codes: 406 | ||
South Dakota area codes: 605 | ||
Nebraska area codes: 308, 402/531 |