Shell - 307 dialing code
Dialing code +1 (307) cities
- Riverside
- Jackson
- Douglas
- Fairview
- Powell
- Auburn
- Dayton
- Taylor
- Evansville
- Mammoth
- Superior
- Arlington
- Alpine
- Pinedale
- Garland
- Kirby
- LaGrange
- Mountain View
- Sheridan
- Wilson
- Rolling Hills
- Saratoga
- Sleepy Hollow
- Albany
- Alta
- Etna
- Wheatland
- Dixon
- Lucerne
- Freedom
- Newcastle
- Byron
- Oakley
- Arvada
- Boulder
- Centennial
- Hudson
- Burlington
- Grover
- Johnstown
- Torrington
- Wright
- Dubois
- Eden
- Buffalo
- Riverton
- Hillsdale
- Evanston
- Huntley
- Hanna
- Whiting
- Granger
- Bedford
- Bondurant
- Slater
- Afton
- Carpenter
- Guernsey
- Osage
- Ralston
- Burns
- Yoder
- Edgerton
- Upton
- Beulah
- Lyman
- Hartville
- Clearmont
- Basin
- Carter
- Arapahoe
- Cody
- Osmond
- Table Rock
- Atlantic City
- Manville
- Rock Springs
- Kelly
- Cheyenne
- Reliance
- Daniel
- Green River
- Opal
- Albin
- Alcova
- Alpine Northeast
- Alpine Northwest
- Antelope Hills
- Antelope Valley-Crestview
- Arrowhead Springs
- Baggs
- Bairoil
- Bar Nunn
- Bear River
- Bessemer Bend
- Big Horn
- Big Piney
- Boulder Flats
- Brookhurst
- Casper
- Casper Mountain
- Chugcreek
- Chugwater
- Clearview Acres
- Cokeville
- Cora
- Cowley
- Crowheart
- Deaver
- Diamondville
- East Thermopolis
- Elk Mountain
- Encampment
- Esterbrook
- Ethete
- Farson
- Fontenelle
- Fort Bridger
- Fort Laramie
- Fort Washakie
- Fox Farm-College
- Fox Park
- Frannie
- Gillette
- Glendo
- Glenrock
- Greybull
- Hartrandt
- Hawk Springs
- Hill View Heights
- Hoback
- Homa Hills
- Hulett
- Hyattville
- James Town
- Jeffrey City
- Kaycee
- Kemmerer
- La Barge
- Lakeview North
- Lance Creek
- Lander
- Laramie
- Lingle
- Little America
- Lonetree
- Lost Springs
- Lovell
- Lusk
- McKinnon
- Manderson
- Marbleton
- Meadow Acres
- Medicine Bow
- Meeteetse
- Midwest
- Mills
- Moorcroft
- Moose Wilson Road
- Nordic
- North Rock Springs
- Orin
- Owl Creek
- Parkman
- Pavillion
- Pine Bluffs
- Pine Haven
- Powder River
- Purple Sage
- Rafter J Ranch
- Ranchester
- Ranchettes
- Rawlins
- Red Butte
- Robertson
- Rock River
- Ryan Park
- Shell
- Shoshoni
- Sinclair
- Smoot
- South Greeley
- South Park
- Star Valley Ranch
- Story
- Sundance
- Ten Sleep
- Teton Village
- Thayne
- Thermopolis
- Turnerville
- Urie
- Van Tassell
- Veteran
- Vista West
- Wamsutter
- Warren AFB
- Washam
- Westview Circle
- Woods Landing-Jelm
- Worland
- Y-O Ranch