307
One Number for the Whole of Wyoming
Wyoming runs on one code. See what the 307 area code covers, why seven digits still work, how visitors reshape call traffic, and when it might finally run out.
WY · 1 Area Code
Wyoming
Area Codes
Wyoming's economy leans on energy and tourism, centered around Cheyenne, Casper, and Laramie. Get a local virtual phone number with any Wyoming area code.
1 area code
Original code 307 · 1947
Capital: Cheyenne
Carrier-grade network
// Why WY Virtual Numbers
Why businesses choose a Wyoming virtual number
A local Wyoming number shows callers which part of the state you serve.
1947
307 first assigned
307 came first, in 1947
307 was Wyoming's original area code, assigned in 1947. The newest, 307, arrived in 1947. Each of the 1 code below maps to its own part of the state, so the code you pick shows which region you serve.
01 — Wyoming at a Glance
Wyoming, by the numbers.
Wyoming was assigned area code 307 in 1947, one of the original 86 codes in the North American Numbering Plan, and it has covered the entire state unchanged ever since.
As the least populous state, Wyoming has never generated enough demand to require a split or overlay — every number still begins with 307.
307's middle digit, zero, originally signaled a code covering an entire state — one of a dwindling number of codes where that still holds true today.
Did you know?
As the least populous state, Wyoming has never split or overlaid its area code, so 307 has covered every ranch, national park, and town in the state continuously since 1947.
// 1 area codes
Wyoming Virtual Phone Numbers
Select any area code to get a local virtual number for that region of Wyoming.
// Get Started
Get a Wyoming number in 3 steps
From choosing a code to setting up call routing.
- 01Step 01
Choose a WY area code
Browse the Wyoming area codes above and pick the region that best serves your customers.
- 02Step 02
Select your number
Choose from the numbers available in your selected area code.
- 03Step 03
Set up routing
Configure call routing, business hours, and voicemail from your Rozper dashboard for your Wyoming number.
Frequently Asked
Wyoming number questions answered.
Everything you need to know before getting a Wyoming virtual phone number.
Wyoming has 1 active area code: 307. Rozper offers virtual phone numbers in these codes, which you can browse and choose from one dashboard.
307 is Wyoming's original area code, assigned in 1947. The most recent addition, 307, followed in 1947.
No. Virtual numbers are location-independent. A business based anywhere in the U.S. or internationally can get a Wyoming area code and route calls to any device, team, or call center.
Wyoming's capital is Cheyenne, and the state keeps Mountain time. Its population is about 587,000, across 23 counties.
Wyoming's economy centers on energy and tourism, with Cheyenne, Casper, and Laramie as the main business hubs. Wyoming is the least populous state in the US.
Questions about Wyoming numbers? Get in touch.
// Next door
States that border Wyoming
Customers and teams near the Wyomingline often use a neighbouring state's codes. Here are the area codes next door.
Ready for a Wyoming number?
Pick a Wyoming area code and talk to us about setting up your number.