How many area codes does Wyoming have?

Wyoming has 1 active geographic area code in the North American Numbering Plan: 307. Each code serves a distinct region or acts as an overlay for a high-demand metro area.

What is the oldest area code in Wyoming?

The oldest area code in Wyoming is 307, assigned in 1947. It serves Cheyenne and the Wyoming (statewide) region. 307 is one of the original 86 area codes created when the North American Numbering Plan was first established.

Can I get a Wyoming phone number from anywhere?

Yes. DialPhone virtual phone numbers are not tied to a physical location. You can get a Wyoming area code number and use it from any device — desktop, mobile, or browser — anywhere with an internet connection. This makes Wyoming numbers ideal for remote teams, distributed businesses, and sales teams targeting Wyoming customers.

How much does a Wyoming area code number cost?

DialPhone plans start at $24 per user per month on the Core plan. Every plan includes your choice of Wyoming area code number, unlimited US and Canada calling, business SMS, AI call captions, and a free 14-day trial — no credit card required. See the DialPhone pricing page for current tier details.

Can I port my existing Wyoming number to DialPhone?

Yes. DialPhone supports free number porting from any major US or Canadian carrier, including existing Wyoming area code numbers. Porting typically completes in 2 to 5 business days with zero service interruption. See the complete number porting guide for step-by-step instructions.

What time zones are used in Wyoming?

Wyoming area codes span the MT time zone. When scheduling calls with Wyoming customers, verify the specific area code's time zone to avoid calling outside business hours.

Area Codes in Wyoming — Local Business Phone Numbers

Quick answer

Wyoming has 1 active geographic area code covering Cheyenne. The most-recognized code is 307, serving Cheyenne and the Wyoming (statewide) region.

Total codes: 1
Top metro: Cheyenne
Time zone: MT
Largest code: 307 (Cheyenne)

By Darshan M

Growth Operations Lead at DialPhone · Verified against NANPA data

Area codes in Wyoming

Wyoming is served by 1 active geographic area code in the North American Numbering Plan. The 307 area code covers the entire Wyoming (statewide) region.

Code	Primary City	Region	Established	Overlay Codes	Population
307	Cheyenne	Wyoming (statewide)	1947	—	580,000

Time zones in Wyoming

All area codes in Wyoming fall in the MT time zone.

MT — area code: 307

Top metros and their area codes

Below are the primary cities in Wyoming and the area codes that serve each metro. Cities with multiple codes share geography due to overlay assignments added as demand grew.

Cheyenne — 307

Why get a local Wyoming number?

A Wyoming area code number gives your business three core advantages:

Local trust signal. Customers in Wyoming recognize local area codes as their own. A familiar caller ID builds immediate credibility for service businesses, sales teams, and patient communication.
Higher answer rate. Calls from a local area code are answered far more often than toll-free or out-of-area numbers — industry data puts the lift at 20–40%. That difference matters most for outbound sales, appointment confirmations, and service callbacks.
Targeted marketing. Advertising a local Wyoming number on print, radio, digital, and outdoor channels converts better than a national 800 number for audiences who prefer doing business locally.

How to get a Wyoming area code number with DialPhone

Setting up a Wyoming business number takes under 10 minutes:

Sign up for a DialPhone plan. Choose any plan starting at $24/user/month. Free 14-day trial, no credit card required.
Search available Wyoming numbers. Filter the DialPhone number inventory by state, area code, city, or number pattern.
Choose your number and configure. Assign your new Wyoming number to a user or team, configure call routing, voicemail, AI receptionist, and business SMS.
Port your existing number (optional). Already have a Wyoming number? Free number porting completes in 2 to 5 business days with zero service interruption.