Area Code +65-6-(4000000...4009999) located in Singapore, more detail is as below. Place International Dialing Code : 65 International Prefix : 00 National Destination Code : 6 Subscriber Number From : 4000000 Subscriber Number To : 4009999 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-(3000000...3009999) next › : +65-6-(4010000...4019999) Dialling Instructions For trunk calls: - 6 4000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 65 6 4000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4000000 ~ 4009999 (Count: 10,000) Example: +65-6-4000000 / 0065-6-4000000 (6-4000000 / -6-4000000) +65-6-4000001 / 0065-6-4000001 (6-4000001 / -6-4000001) +65-6-4000002 / 0065-6-4000002 (6-4000002 / -6-4000002) +65-6-4000003 / 0065-6-4000003 (6-4000003 / -6-4000003) +65-6-4000004 / 0065-6-4000004 (6-4000004 / -6-4000004) ...+65-6-xxxxxxx / 0065-6-xxxxxxx (6-xxxxxxx / -6-xxxxxxx) ...+65-6-4009995 / 0065-6-4009995 (6-4009995 / -6-4009995) +65-6-4009996 / 0065-6-4009996 (6-4009996 / -6-4009996) +65-6-4009997 / 0065-6-4009997 (6-4009997 / -6-4009997) +65-6-4009998 / 0065-6-4009998 (6-4009998 / -6-4009998) +65-6-4009999 / 0065-6-4009999 (6-4009999 / -6-4009999)