Area Code +1-671-(5650000...5659999) located in Agana, Guam (GU), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 671 Subscriber Number From : 5650000 Subscriber Number To : 5659999 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 : TELEGUAM HOLDINGS Click here to buy Guam Area Code Database Other Information Language Code : en (English) Country Number : 316 (Guam) Country Code : GU (Guam) Region Code : GU Region Name : Guam City : Agana Timezone : Pacific/Guam Coordinated Universal Time : +10:00 Daylight Saving Time : No National Significant Number Minimum Length : 10 Latitude : 13.4700 Longitude : 144.7500 ‹ previous : +1-671-(5640000...5649999) next › : +1-671-(5880000...5889999) Dialling Instructions For trunk calls: 1 671 5650000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 671 5650000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5650000 ~ 5659999 (Count: 10,000) Example: +1-671-5650000 / 0111-671-5650000 (1671-5650000 / 1-671-5650000) +1-671-5650001 / 0111-671-5650001 (1671-5650001 / 1-671-5650001) +1-671-5650002 / 0111-671-5650002 (1671-5650002 / 1-671-5650002) +1-671-5650003 / 0111-671-5650003 (1671-5650003 / 1-671-5650003) +1-671-5650004 / 0111-671-5650004 (1671-5650004 / 1-671-5650004) ...+1-671-xxxxxxx / 0111-671-xxxxxxx (1671-xxxxxxx / 1-671-xxxxxxx) ...+1-671-5659995 / 0111-671-5659995 (1671-5659995 / 1-671-5659995) +1-671-5659996 / 0111-671-5659996 (1671-5659996 / 1-671-5659996) +1-671-5659997 / 0111-671-5659997 (1671-5659997 / 1-671-5659997) +1-671-5659998 / 0111-671-5659998 (1671-5659998 / 1-671-5659998) +1-671-5659999 / 0111-671-5659999 (1671-5659999 / 1-671-5659999)