States: Colorado, Idaho, Utah, Wyoming  
Cities: Afton, Aladdin, Albin, Alva, Arvada, Baggs, Basin, Beulah, Big Piney, Boise, Buffalo, Burlington, Burns, Carpenter, Casper, Cheyenne, Chugwater, Clearmont, Cody, Cokeville, Crowheart, Deaver, Douglas, Dubois, Encampment, Evanston, Farson, Fort Bridger, Fort Morgan, Freedom, Gillette, Glendo, Glenrock, Green River, Greybull, Guernsey, Hanna, Hyattville, Jackson, Jeffrey City, Kaycee, Kemmerer, La Barge, Lance Creek, Lander, Laramie, Lonetree, Lovell, Lyman, Manville, Medicine Bow, Meeteetse, Meriden, Midvale, Midwest, Moorcroft, Moose, Moran, Newcastle, Osage, Parkman, Pine Bluffs, Pinedale, Powell, Ranchester, Rawlins, Riverton, Rock River, Rock Springs, Sheridan, Shoshoni, Sundance, Ten Sleep, Thermopolis, Torrington, Upton, Urie, Van Tassell, Veteran, Wheatland, Wolf, Worland, Yellowstone National Park  

Example: (555)555-5555

Exchange	State	City	Line Type
307-200-xxxx	Wyoming	Jackson	Landline
307-202-xxxx	Wyoming	Powell	Cell Phone
307-214-xxxx	Wyoming	Cheyenne	Cell Phone
307-215-xxxx	Wyoming	Casper	Landline
307-221-xxxx	Wyoming	Cheyenne	Cell Phone
307-234-xxxx	Wyoming	Casper	Landline
307-235-xxxx	Wyoming	Casper	Landline
307-237-xxxx	Wyoming	Casper	Landline
307-247-xxxx	Wyoming	Casper	Cell Phone
307-250-xxxx	Wyoming	Cody	Cell Phone
307-256-xxxx	Wyoming	Cheyenne	Cell Phone
307-257-xxxx	Wyoming	Gillette	Landline
307-258-xxxx	Wyoming	Casper	Cell Phone
307-259-xxxx	Wyoming	Casper	Cell Phone
307-262-xxxx	Wyoming	Casper	Cell Phone
307-265-xxxx	Wyoming	Casper	Landline
307-266-xxxx	Wyoming	Casper	Landline
307-272-xxxx	Wyoming	Cody	Cell Phone
307-277-xxxx	Wyoming	Casper	Cell Phone
307-286-xxxx	Wyoming	Cheyenne	Cell Phone
307-287-xxxx	Wyoming	Cheyenne	Landline
307-315-xxxx	Wyoming	Casper	Landline
307-324-xxxx	Wyoming	Rawlins	Landline
307-331-xxxx	Wyoming	Wheatland	Cell Phone
307-344-xxxx	Wyoming	Yellowstone National Park	Landline
307-351-xxxx	Wyoming	Douglas	Cell Phone
307-359-xxxx	Wyoming	Douglas	Cell Phone
307-362-xxxx	Wyoming	Rock Springs	Landline
307-371-xxxx	Wyoming	Rock Springs	Cell Phone
307-389-xxxx	Wyoming	Rock Springs	Cell Phone
307-399-xxxx	Wyoming	Laramie	Cell Phone
307-421-xxxx	Wyoming	Cheyenne	Cell Phone
307-431-xxxx	Wyoming	Worland	Cell Phone
307-459-xxxx	Wyoming	Cheyenne	Landline
307-460-xxxx	Wyoming	Laramie	Landline
307-472-xxxx	Wyoming	Casper	Landline
307-473-xxxx	Wyoming	Casper	Landline
307-514-xxxx	Wyoming	Cheyenne	Landline
307-532-xxxx	Wyoming	Torrington	Landline
307-534-xxxx	Wyoming	Torrington	Landline
307-575-xxxx	Wyoming	Torrington	Cell Phone
307-577-xxxx	Wyoming	Casper	Landline
307-587-xxxx	Wyoming	Cody	Landline
307-630-xxxx	Wyoming	Cheyenne	Cell Phone
307-632-xxxx	Wyoming	Cheyenne	Landline
307-634-xxxx	Wyoming	Cheyenne	Landline
307-635-xxxx	Wyoming	Cheyenne	Landline
307-638-xxxx	Wyoming	Cheyenne	Landline
307-660-xxxx	Wyoming	Gillette	Cell Phone
307-670-xxxx	Wyoming	Gillette	Cell Phone
307-672-xxxx	Wyoming	Sheridan	Landline
307-680-xxxx	Wyoming	Gillette	Cell Phone
307-682-xxxx	Wyoming	Gillette	Landline
307-684-xxxx	Wyoming	Buffalo	Landline
307-685-xxxx	Wyoming	Gillette	Landline
307-686-xxxx	Wyoming	Gillette	Landline
307-690-xxxx	Wyoming	Jackson	Cell Phone
307-699-xxxx	Wyoming	Jackson	Cell Phone
307-702-xxxx	Wyoming	Casper	Cell Phone
307-710-xxxx	Wyoming	Rawlins	Cell Phone
307-730-xxxx	Wyoming	Jackson	Cell Phone
307-733-xxxx	Wyoming	Jackson	Landline
307-734-xxxx	Wyoming	Jackson	Landline
307-739-xxxx	Wyoming	Jackson	Landline
307-745-xxxx	Wyoming	Laramie	Landline
307-760-xxxx	Wyoming	Laramie	Cell Phone
307-761-xxxx	Wyoming	Laramie	Cell Phone
307-763-xxxx	Wyoming	Sheridan	Cell Phone
307-765-xxxx	Wyoming	Greybull	Landline
307-782-xxxx	Wyoming	Fort Bridger	Landline
307-789-xxxx	Wyoming	Evanston	Landline
307-797-xxxx	Wyoming	Casper	Cell Phone
307-840-xxxx	Wyoming	Riverton	Cell Phone
307-851-xxxx	Wyoming	Riverton	Cell Phone
307-857-xxxx	Wyoming	Riverton	Landline
307-871-xxxx	Wyoming	Green River	Cell Phone
307-899-xxxx	Wyoming	Cody	Cell Phone
307-921-xxxx	Wyoming	Thermopolis	Cell Phone