Area Code +65-9-(3990000...3999999) located in Mobile Telephony, more detail is as below. Place International Dialing Code : 65 International Prefix : 00 National Destination Code : 9 Subscriber Number From : 3990000 Subscriber Number To : 3999999 National Destination Code Length : 1 Uses National Destination Code : No National Significant Number Length : 8 Number Type : M (Mobile, Cellular) Carrier Name : SingTel Mobile Click here to buy Singapore Area Code Database Other Information Language Code : en (English) Country Number : 702 (Singapore) Country Code : SG (Singapore) City : Mobile Telephony 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 : +65-9-(3980000...3989999) next › : +65-9-(4200000...4209999) Dialling Instructions For trunk calls: - 9 3990000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 65 9 3990000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3990000 ~ 3999999 (Count: 10,000) Example: +65-9-3990000 / 0065-9-3990000 (9-3990000 / -9-3990000) +65-9-3990001 / 0065-9-3990001 (9-3990001 / -9-3990001) +65-9-3990002 / 0065-9-3990002 (9-3990002 / -9-3990002) +65-9-3990003 / 0065-9-3990003 (9-3990003 / -9-3990003) +65-9-3990004 / 0065-9-3990004 (9-3990004 / -9-3990004) ...+65-9-xxxxxxx / 0065-9-xxxxxxx (9-xxxxxxx / -9-xxxxxxx) ...+65-9-3999995 / 0065-9-3999995 (9-3999995 / -9-3999995) +65-9-3999996 / 0065-9-3999996 (9-3999996 / -9-3999996) +65-9-3999997 / 0065-9-3999997 (9-3999997 / -9-3999997) +65-9-3999998 / 0065-9-3999998 (9-3999998 / -9-3999998) +65-9-3999999 / 0065-9-3999999 (9-3999999 / -9-3999999)