Area code 307 — Wyoming
Area code 307 is in Wyoming. Time zone, overlays, counties and ZIP codes.
| Location | Wyoming (all) |
|---|---|
| State | Wyoming |
| Status | In service · since 1947 |
| Time zone | Mountain · |
| Local dialing | 7 digits |
Counties (approximate)
AlbanyAlbany CountyBig Horn CountyBonneville CountyCampbellCampbell CountyCarbonCarbon CountyConverse CountyCrook CountyFremontFremont CountyGoshen CountyHot Springs CountyJohnsonJohnson CountyLaramieLaramie CountyLarimer CountyLincoln CountyNatronaNatrona CountyNiobrara CountyPark CountyPlatte CountySheridan CountySublette CountySummit CountySweetwaterSweetwater County
ZIP codes in area code 307
Approximate: area code boundaries follow telephone rate centers, not ZIP codes.
82001 Cheyenne82002 Cheyenne82003 Cheyenne82005 Fe Warren Afb82006 Cheyenne82007 Cheyenne82008 Cheyenne82009 Cheyenne82010 Cheyenne82050 Albin82051 Bosler82052 Buford82053 Burns82054 Carpenter82055 Centennial82058 Garrett82059 Granite Canon82060 Hillsdale82061 Horse Creek82063 Jelm82070 Laramie82071 Laramie82072 Laramie82073 Laramie82081 Meriden82082 Pine Bluffs82083 Rock River82084 Tie Siding82190 Yellowstone National Park82201 Wheatland82210 Chugwater82212 Fort Laramie82213 Glendo82214 Guernsey82215 Hartville82217 Hawk Springs82218 Huntley82219 Jay Em82221 Lagrange82222 Lance Creek
Format a 307 number
US numbers are written as (307) 555-0123 or 307-555-0123. From outside the US, dial +1 307 555 0123.
Is a call from 307 a scam?
An area code only tells you where a number was assigned. Caller ID can be faked (“spoofed”), so do not trust a call just because the area code looks local. Never share codes or payment details with unexpected callers.
Sources: NANPA via NumberResearch.org (CC BY 4.0); place names and history from Wikipedia (CC BY-SA 4.0). See data sources.