Area Code +65-6-(4020000...4029999) located in Singapore, more detail is as below. Place International Dialing Code : 65 International Prefix : 00 National Destination Code : 6 Subscriber Number From : 4020000 Subscriber Number To : 4029999 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-(4010000...4019999) next › : +65-6-(4030000...4039999) Dialling Instructions For trunk calls: - 6 4020000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 65 6 4020000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4020000 ~ 4029999 (Count: 10,000) Example: +65-6-4020000 / 0065-6-4020000 (6-4020000 / -6-4020000) +65-6-4020001 / 0065-6-4020001 (6-4020001 / -6-4020001) +65-6-4020002 / 0065-6-4020002 (6-4020002 / -6-4020002) +65-6-4020003 / 0065-6-4020003 (6-4020003 / -6-4020003) +65-6-4020004 / 0065-6-4020004 (6-4020004 / -6-4020004) ...+65-6-xxxxxxx / 0065-6-xxxxxxx (6-xxxxxxx / -6-xxxxxxx) ...+65-6-4029995 / 0065-6-4029995 (6-4029995 / -6-4029995) +65-6-4029996 / 0065-6-4029996 (6-4029996 / -6-4029996) +65-6-4029997 / 0065-6-4029997 (6-4029997 / -6-4029997) +65-6-4029998 / 0065-6-4029998 (6-4029998 / -6-4029998) +65-6-4029999 / 0065-6-4029999 (6-4029999 / -6-4029999)