State: Wyoming
Major City: Cheyenne
Time zone: Mountain
Current time:

History of 307 area code

Area code 307 is a telephone area code in the North American Numbering Plan (NANP). It is the sole area code for the U.S. state of Wyoming and it was established in 1947 as one of the 86 original area codes.

The numbering plan is using the Mountain Time Zone and is among the eleven lightly populated states in the U.S.A.

Also see: Phone number lookup

Top Counties using the area code 307

Laramie, Natrona, Campbell, Sweetwater, Fremont, Albany, Sheridan, Park, Teton, Uinta, Lincoln, Carbon, Converse, Goshen, Big Horn, Sublette, Platte, Johnson, Washakie, Weston, Crook, Hot Springs, Niobrara.

Top Cities using the area code 307

Cheyenne, Casper, Laramie, Gillette, Rock Springs, Sheridan, Green River, Evanston, Riverton, Jackson, Cody, Rawlins, Lander, Torrington, Powell, Douglas, Ranchettes, Worland, Buffalo, South Greeley, Fox Farm-College, Wheatland, Newcastle, Mills, Warren AFB, Thermopolis, Kemmerer, Glenrock, Evansville, Lovell, Bar Nunn, North Rock Springs, Lyman, Pinedale, Afton, Greybull, Moose Wilson Road, Wright, Fort Washakie, South Park, Saratoga, Antelope Valley-Crestview, Arapahoe, Lusk, Ethete, Star Valley Ranch, Wilson, Sleepy Hollow, Mountain View, Basin.

Most Reported Phone numbers

Below are mainly looked up phone numbers in NPA 307 to pick from the number that phoned you or do a reverse phone search in Wyoming.

307-NXX prefixes and their locations