Area code 307: Cheyenne, Wyoming
Area code 307 is a Wyoming code serving Cheyenne, Casper and Laramie, on Mountain Time. From abroad, dial +1 307 and the 7-digit number.
Updated
At a glance
- State
- Wyoming
- Places served
- Cheyenne, Casper, Laramie
- Time zone
- Mountain TimeUTC−7, UTC−6 in summer
- Country
- United States (+1)
- Number format
- (307) 555-0123+1 307 555 0123 in international format
How to call a 307 number
All +1 numbers are 10 digits: the 3-digit area code and a 7-digit local number.
| Calling from | Dial |
|---|---|
| Inside the US or Canada | 1 307 555 0123 |
| The UK and most of Europe | 00 1 307 555 0123 |
| Australia | 0011 1 307 555 0123 |
| Any mobile | +1 307 555 0123 |
555-0123 is a placeholder; use the real 7-digit number.
Get a (307) number without living there
A callmins US number costs $2.00/month, no setup fee. It rings in your browser or the callmins app anywhere in the world, receives texts, and needs no ID or local address. When you buy, search by area code to look for a 307 number.
Availability changes daily
Popular codes sell out. If there's no 307 number free, try another Wyoming code below. US numbers don't receive WhatsApp codes; use a UK number for that.
Questions people ask
Where is area code 307?
Area code 307 is in Wyoming, the United States. It serves Cheyenne, Casper and Laramie.
What time zone is area code 307?
Area code 307 is on Mountain Time (UTC−7, UTC−6 in summer). Where an area straddles a time-zone line, this is the time most of its callers keep.
How do I call a 307 number from abroad?
Dial your exit code, then 1, then 307 and the 7-digit number: 00 1 307 from the UK and most of Europe, or +1 307 from any mobile. Inside the US and Canada, dial 1 307 and the number.
Is a call from area code 307 a scam?
307 is an ordinary geographic area code, not a premium-rate or toll-free one. But caller ID can be faked, so a familiar-looking local code proves nothing about who is calling. Don't share codes or payment details with an unexpected caller.
Can I get a 307 phone number?
You can search callmins for a 307 number when you buy a US number ($2.00/month, no setup fee). Which area codes have numbers free changes daily; if 307 has none, pick a nearby or overlay code.
Related
A 307 number, in your browser.
$2.00/month, no setup fee. Calls and texts on your laptop or phone, from anywhere.
Area code details are compiled from North American Numbering Plan assignments and list the best-known places served; check NANPA for the full boundary.