Area code · Wyoming
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The 307 area code covers the entire state of Wyoming, reading as local from Cheyenne to Casper to Sheridan. You can pick 307 in the Ghost app and start using a Wyoming number in minutes, no matter where you're actually standing. It's the only area code Wyoming has, so any 307 number reads as a Wyoming number, full stop.
See why thousands trust Ghost for their virtual phone number
Why choose a 307 virtual phone number?
One code, the whole state
Since 307 covers all of Wyoming, a number in this code reads as local to buyers, landlords, or employers anywhere from Cheyenne to Gillette. You don't need to guess which city to match.
Selling online without your real number
List a truck, furniture, or livestock gear on a local marketplace with a 307 number. Buyers around Casper or Rock Springs see a familiar area code instead of an out-of-state one.
Moving to Wyoming
If you're relocating to Laramie, Sheridan, or Green River, a 307 number lets you start job hunting and apartment hunting before you arrive, so your contact info already matches your new home.
Keeping your number after you leave
If you grew up in Cheyenne or Evanston and move away, you can keep a 307 number so family and old friends still recognize it when you call.
Separating work and personal calls
Use a second 307 line for a side job or freelance work based in Wyoming, and keep it separate from your main phone number.
Dating locally
On dating apps, a 307 number signals you're actually in Wyoming, not messaging from somewhere across the country.
How to get a 307 phone number
- 1
Pick your area code
Choose any 307 area code, or any other US or Canadian code.
- 2
Choose your number
See available numbers instantly and pick the one you like.
- 3
Start calling and texting
Your number works over WiFi or data for everyday calling and texting. No SIM card, no new phone plan.
- 4
Stay in control
Mute it, set it to Do Not Disturb, or delete and replace it whenever you want.
Ghost can't be used for 911 or emergency calls, so keep your regular line for those.
Get My 307 NumberAbout the 307 area code
Area code
307
State
Wyoming
Cities served
12+
The 307 area code serves all of Wyoming, including Cheyenne, Casper, Gillette, Laramie, Rock Springs, Sheridan, Evanston, and Green River. It's the number Wyoming residents have used across the entire state.
There are no overlay codes here. 307 stands alone as the only area code for the entire state, so there's no second code to coordinate with when dialing within Wyoming.
The region runs on the America/Denver timezone. Calls between Cheyenne and Casper, or Sheridan and Rock Springs, all fall on the same clock, which keeps scheduling simple across the state.
Coverage from public numbering and census data. Sources
Local economy
Why do business in Cheyenne?
The 307 area code spans Wyoming's main population centers, from the state capital in Cheyenne to energy hubs like Casper and Gillette.
Energy and mining
Communities like Gillette and Casper have long been centers for coal, oil, and gas production, anchoring jobs across the region.
Higher education
Laramie is home to the state's flagship university, drawing students and staff who often need a local number for housing and jobs.
Healthcare
Regional hospitals and clinics in cities like Cheyenne and Sheridan serve residents across wide, sparsely populated areas of the state.
307 numbers by city
Frequently asked questions
How fast can I get a 307 phone number?
You can pick a 307 number in the Ghost app and start calling and texting with it in minutes. No store visit, no waiting.
Which cities use the 307 area code?
307 covers the whole state of Wyoming, including Cheyenne, Casper, Gillette, Laramie, Rock Springs, Sheridan, Evanston, and Green River.
Do I need a new phone or SIM card to use a 307 number?
No. Ghost gives you a second number that runs alongside your existing phone, so you keep your current device and your current number.
How much does Ghost cost?
Ghost Premium is $60 every 2 months and includes 5 phone numbers, unlimited calling and texting in the US and Canada, your choice of area code, and the ability to delete and replace your number. Cancel anytime. No contracts.
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