Area Code +1-671-(6850000...6859999) 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 : 6850000 Subscriber Number To : 6859999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : GUAM WIRELESS TEL 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-(6780000...6789999) next › : +1-671-(6860000...6869999) Dialling Instructions For trunk calls: 1 671 6850000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 671 6850000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6850000 ~ 6859999 (Count: 10,000) Example: +1-671-6850000 / 0111-671-6850000 (1671-6850000 / 1-671-6850000) +1-671-6850001 / 0111-671-6850001 (1671-6850001 / 1-671-6850001) +1-671-6850002 / 0111-671-6850002 (1671-6850002 / 1-671-6850002) +1-671-6850003 / 0111-671-6850003 (1671-6850003 / 1-671-6850003) +1-671-6850004 / 0111-671-6850004 (1671-6850004 / 1-671-6850004) ...+1-671-xxxxxxx / 0111-671-xxxxxxx (1671-xxxxxxx / 1-671-xxxxxxx) ...+1-671-6859995 / 0111-671-6859995 (1671-6859995 / 1-671-6859995) +1-671-6859996 / 0111-671-6859996 (1671-6859996 / 1-671-6859996) +1-671-6859997 / 0111-671-6859997 (1671-6859997 / 1-671-6859997) +1-671-6859998 / 0111-671-6859998 (1671-6859998 / 1-671-6859998) +1-671-6859999 / 0111-671-6859999 (1671-6859999 / 1-671-6859999)