Area Code +65-6-(6390000...6399999) located in Singapore, more detail is as below. Place International Dialing Code : 65 International Prefix : 00 National Destination Code : 6 Subscriber Number From : 6390000 Subscriber Number To : 6399999 National Destination Code Length : 1 Uses National Destination Code : No National Significant Number Length : 8 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : StarHub Click here to buy Singapore Area Code Database Other Information Language Code : en (English) Country Number : 702 (Singapore) Country Code : SG (Singapore) City : Singapore Timezone : Asia/Singapore Coordinated Universal Time : +08:00 Daylight Saving Time : No National Significant Number Minimum Length : 8 Latitude : 1.3500 Longitude : 103.8200 ‹ previous : +65-6-(6380000...6389999) next › : +65-6-(6400000...6409999) Dialling Instructions For trunk calls: - 6 6390000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 65 6 6390000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6390000 ~ 6399999 (Count: 10,000) Example: +65-6-6390000 / 0065-6-6390000 (6-6390000 / -6-6390000) +65-6-6390001 / 0065-6-6390001 (6-6390001 / -6-6390001) +65-6-6390002 / 0065-6-6390002 (6-6390002 / -6-6390002) +65-6-6390003 / 0065-6-6390003 (6-6390003 / -6-6390003) +65-6-6390004 / 0065-6-6390004 (6-6390004 / -6-6390004) ...+65-6-xxxxxxx / 0065-6-xxxxxxx (6-xxxxxxx / -6-xxxxxxx) ...+65-6-6399995 / 0065-6-6399995 (6-6399995 / -6-6399995) +65-6-6399996 / 0065-6-6399996 (6-6399996 / -6-6399996) +65-6-6399997 / 0065-6-6399997 (6-6399997 / -6-6399997) +65-6-6399998 / 0065-6-6399998 (6-6399998 / -6-6399998) +65-6-6399999 / 0065-6-6399999 (6-6399999 / -6-6399999)