Pick 307 for Cheyenne or Laramie.
Both towns share 307 with the rest of Wyoming, so nothing competes with it.
Wyoming has one area code: 307.
Area codes in Wyoming
Get a phone number with the right area code for Wyoming.
307 is the only area code in Wyoming, and it covers the whole state, from Cheyenne and Casper to Gillette, Laramie and Rock Springs.
$0 todayLive in about a minute
Wyoming has one area code.
In the order they opened.
307
307 is the only area code in Wyoming.
Wyoming has needed only 307 since 1947.
Pick 307, the one code Wyoming has.
Pick 307 for Casper, Gillette or Rock Springs.
These towns sit on the same code as Cheyenne, the one the whole state uses.
People filed 70 FCC complaints about unwanted calls from Wyoming area code in 12 months.
From October 2025 to September 2026, 70 unwanted-call complaints filed with the FCC gave a caller ID number that started with the Wyoming code.
- 70unwanted-call complaints named a Wyoming code
Source: Federal Communications Commission, CGB - Consumer Complaints Data (dataset 3xyp-aqkj), issue "Unwanted Calls", read on November 4, 2026. Caller ID can be faked, so a code shows what appeared on the phone, not where the caller was.
This is how you get a Wyoming number.
- 1
Start your free week.
Every plan begins with 7 days free, and you pay $0 today.
- 2
Type the code you picked.
Open Create a number, type the three digits and give the number a name.
- 3
Hand the number out.
Calls ring the phone you already have, and texts land in your ExpressNumber inbox.
People ask these questions about Wyoming area codes.
More in the full FAQ.
Yes. Casper uses 307, like Cheyenne, Gillette, Laramie and Rock Springs.
No. 307 is the single code of the whole state.
Wyoming has one area code, 307, in service since 1947, by the numbering administrator's report of October 23, 2026.
Wyoming has one area code, 307, in service since 1947. Wyoming has needed only 307 since 1947.
A local call in Wyoming is dialed with seven digits. The area code is part of every number you give out.
From October 2025 to September 2026, people filed 70 FCC complaints about unwanted calls from numbers that start with a Wyoming code. The only one named was 307 (70). A complaint is one person's report. Caller ID can be faked, so a code shows what appeared on the phone, not where the caller was.
Yes. You type the area code you want when you create a number, and you do not need to live in Wyoming. Calls ring the phone you already have, and texts land in your ExpressNumber inbox.
No. Your numbers are receive-only: they take calls and texts, and they never make them. You answer calls on your own phone, and you cannot reply to a text from the inbox.
You get 7 days free and pay $0 today. After 7 days your plan starts: $9.99 a month for Basic or $29.99 a month for Pro. Cancel before then and you pay nothing.
States next to Wyoming
More area codes
Every fact on this page comes from public numbering records.
The codes, the places and the years are rows of the North American Numbering Plan Administrator's area code database (its report of October 23, 2026), and the complaints are the FCC's own.
Put a Wyoming code on a number you can burn.
Calls ring the phone you already have, and texts land in your ExpressNumber inbox.
Try it free for 7 days