Area Code +1-671-(4890000...4899999) 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 : 4890000 Subscriber Number To : 4899999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : PULSE MOBILE LLC 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-(4880000...4889999) next › : +1-671-(5620000...5629999) Dialling Instructions For trunk calls: 1 671 4890000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 671 4890000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4890000 ~ 4899999 (Count: 10,000) Example: +1-671-4890000 / 0111-671-4890000 (1671-4890000 / 1-671-4890000) +1-671-4890001 / 0111-671-4890001 (1671-4890001 / 1-671-4890001) +1-671-4890002 / 0111-671-4890002 (1671-4890002 / 1-671-4890002) +1-671-4890003 / 0111-671-4890003 (1671-4890003 / 1-671-4890003) +1-671-4890004 / 0111-671-4890004 (1671-4890004 / 1-671-4890004) ...+1-671-xxxxxxx / 0111-671-xxxxxxx (1671-xxxxxxx / 1-671-xxxxxxx) ...+1-671-4899995 / 0111-671-4899995 (1671-4899995 / 1-671-4899995) +1-671-4899996 / 0111-671-4899996 (1671-4899996 / 1-671-4899996) +1-671-4899997 / 0111-671-4899997 (1671-4899997 / 1-671-4899997) +1-671-4899998 / 0111-671-4899998 (1671-4899998 / 1-671-4899998) +1-671-4899999 / 0111-671-4899999 (1671-4899999 / 1-671-4899999)