Area Code +975-3-(640000...641999) located in Chumey, more detail is as below. Place International Dialing Code : 975 International Prefix : 00 National Destination Code : 3 Subscriber Number From : 640000 Subscriber Number To : 641999 National Destination Code Length : 1 Uses National Destination Code : Yes National Significant Number Length : 7 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Bhutan Telecom Click here to buy Bhutan Area Code Database Other Information Language Code : dz (Bhutani) Country Number : 64 (Bhutan) Country Code : BT (Bhutan) City : Chumey Timezone : Asia/Thimphu Coordinated Universal Time : +06:00 Daylight Saving Time : No National Significant Number Minimum Length : 7 Latitude : None Longitude : None ‹ previous : +975-3-(630000...631999) next › : +975-3-(670300...670399) Dialling Instructions For trunk calls: - 3 640000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 975 3 640000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 640000 ~ 641999 (Count: 2,000) Example: +975-3-640000 / 00975-3-640000 (3-640000 / -3-640000) +975-3-640001 / 00975-3-640001 (3-640001 / -3-640001) +975-3-640002 / 00975-3-640002 (3-640002 / -3-640002) +975-3-640003 / 00975-3-640003 (3-640003 / -3-640003) +975-3-640004 / 00975-3-640004 (3-640004 / -3-640004) ...+975-3-xxxxxx / 00975-3-xxxxxx (3-xxxxxx / -3-xxxxxx) ...+975-3-641995 / 00975-3-641995 (3-641995 / -3-641995) +975-3-641996 / 00975-3-641996 (3-641996 / -3-641996) +975-3-641997 / 00975-3-641997 (3-641997 / -3-641997) +975-3-641998 / 00975-3-641998 (3-641998 / -3-641998) +975-3-641999 / 00975-3-641999 (3-641999 / -3-641999)