Area Code +1-671-(6450000...6459999) 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 : 6450000 Subscriber Number To : 6459999 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-(6440000...6449999) next › : +1-671-(6460000...6469999) Dialling Instructions For trunk calls: 1 671 6450000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 671 6450000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6450000 ~ 6459999 (Count: 10,000) Example: +1-671-6450000 / 0111-671-6450000 (1671-6450000 / 1-671-6450000) +1-671-6450001 / 0111-671-6450001 (1671-6450001 / 1-671-6450001) +1-671-6450002 / 0111-671-6450002 (1671-6450002 / 1-671-6450002) +1-671-6450003 / 0111-671-6450003 (1671-6450003 / 1-671-6450003) +1-671-6450004 / 0111-671-6450004 (1671-6450004 / 1-671-6450004) ...+1-671-xxxxxxx / 0111-671-xxxxxxx (1671-xxxxxxx / 1-671-xxxxxxx) ...+1-671-6459995 / 0111-671-6459995 (1671-6459995 / 1-671-6459995) +1-671-6459996 / 0111-671-6459996 (1671-6459996 / 1-671-6459996) +1-671-6459997 / 0111-671-6459997 (1671-6459997 / 1-671-6459997) +1-671-6459998 / 0111-671-6459998 (1671-6459998 / 1-671-6459998) +1-671-6459999 / 0111-671-6459999 (1671-6459999 / 1-671-6459999)