Area Code +1-307-(6750000...6759999) located in Sheridan, 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 : 6750000 Subscriber Number To : 6759999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : ADVANCED COMM - WY 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 : Sheridan Timezone : America/Denver Coordinated Universal Time : -07:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 44.8000 Longitude : -106.9600 ‹ previous : +1-307-(6740000...6749999) next › : +1-307-(6770000...6770999) Dialling Instructions For trunk calls: 0 307 6750000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 307 6750000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6750000 ~ 6759999 (Count: 10,000) Example: +1-307-6750000 / 0111-307-6750000 (1307-6750000 / 1-307-6750000) +1-307-6750001 / 0111-307-6750001 (1307-6750001 / 1-307-6750001) +1-307-6750002 / 0111-307-6750002 (1307-6750002 / 1-307-6750002) +1-307-6750003 / 0111-307-6750003 (1307-6750003 / 1-307-6750003) +1-307-6750004 / 0111-307-6750004 (1307-6750004 / 1-307-6750004) ...+1-307-xxxxxxx / 0111-307-xxxxxxx (1307-xxxxxxx / 1-307-xxxxxxx) ...+1-307-6759995 / 0111-307-6759995 (1307-6759995 / 1-307-6759995) +1-307-6759996 / 0111-307-6759996 (1307-6759996 / 1-307-6759996) +1-307-6759997 / 0111-307-6759997 (1307-6759997 / 1-307-6759997) +1-307-6759998 / 0111-307-6759998 (1307-6759998 / 1-307-6759998) +1-307-6759999 / 0111-307-6759999 (1307-6759999 / 1-307-6759999)