Area Code +1-671-(9290000...9299999) 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 : 9290000 Subscriber Number To : 9299999 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-(9220000...9229999) next › : +1-671-(9670000...9679999) Dialling Instructions For trunk calls: 1 671 9290000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 671 9290000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 9290000 ~ 9299999 (Count: 10,000) Example: +1-671-9290000 / 0111-671-9290000 (1671-9290000 / 1-671-9290000) +1-671-9290001 / 0111-671-9290001 (1671-9290001 / 1-671-9290001) +1-671-9290002 / 0111-671-9290002 (1671-9290002 / 1-671-9290002) +1-671-9290003 / 0111-671-9290003 (1671-9290003 / 1-671-9290003) +1-671-9290004 / 0111-671-9290004 (1671-9290004 / 1-671-9290004) ...+1-671-xxxxxxx / 0111-671-xxxxxxx (1671-xxxxxxx / 1-671-xxxxxxx) ...+1-671-9299995 / 0111-671-9299995 (1671-9299995 / 1-671-9299995) +1-671-9299996 / 0111-671-9299996 (1671-9299996 / 1-671-9299996) +1-671-9299997 / 0111-671-9299997 (1671-9299997 / 1-671-9299997) +1-671-9299998 / 0111-671-9299998 (1671-9299998 / 1-671-9299998) +1-671-9299999 / 0111-671-9299999 (1671-9299999 / 1-671-9299999)