Area Code +1-307-(2479000...2479999) located in Casper, Wyoming (WY), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 307 Subscriber Number From : 2479000 Subscriber Number To : 2479999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : NEW CINGULAR WIRLESS Click here to buy United States Area Code Database Other Information Language Code : en (English) Country Number : 840 (United States) Country Code : US (United States) Region Code : WY Region Name : Wyoming City : Casper Timezone : America/Denver Coordinated Universal Time : -07:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 42.8600 Longitude : -106.3200 ‹ previous : +1-307-(2478000...2478999) next › : +1-307-(2480000...2480999) Dialling Instructions For trunk calls: 0 307 2479000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 307 2479000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2479000 ~ 2479999 (Count: 1,000) Example: +1-307-2479000 / 0111-307-2479000 (1307-2479000 / 1-307-2479000) +1-307-2479001 / 0111-307-2479001 (1307-2479001 / 1-307-2479001) +1-307-2479002 / 0111-307-2479002 (1307-2479002 / 1-307-2479002) +1-307-2479003 / 0111-307-2479003 (1307-2479003 / 1-307-2479003) +1-307-2479004 / 0111-307-2479004 (1307-2479004 / 1-307-2479004) ...+1-307-xxxxxxx / 0111-307-xxxxxxx (1307-xxxxxxx / 1-307-xxxxxxx) ...+1-307-2479995 / 0111-307-2479995 (1307-2479995 / 1-307-2479995) +1-307-2479996 / 0111-307-2479996 (1307-2479996 / 1-307-2479996) +1-307-2479997 / 0111-307-2479997 (1307-2479997 / 1-307-2479997) +1-307-2479998 / 0111-307-2479998 (1307-2479998 / 1-307-2479998) +1-307-2479999 / 0111-307-2479999 (1307-2479999 / 1-307-2479999)