Wyoming Phone Prefixes in 307-9XX Area Code

Phone Prefixes in the 307-9XX Area Code

Prefix Usage Primary City
(307) 922 Landline Rock Springs
(307) 941 Wireless Newcastle
(307) 996 Landline Cheyenne
(307) 920 Wireless Cheyenne
Prefix Usage Primary City
(307) 977 Wireless Laramie
(307) 921 Wireless Thermopolis
(307) 939 Landline Gillette
(307) 949 Wireless Newcastle
(307) 995 Landline Casper

More 3XX Area Codes Phone Numbers