Area Code +65-3-(2220000...2229999) located in VoIP, more detail is as below. Place International Dialing Code : 65 International Prefix : 00 National Destination Code : 3 Subscriber Number From : 2220000 Subscriber Number To : 2229999 National Destination Code Length : 1 Uses National Destination Code : No National Significant Number Length : 8 Number Type : V (VoIP, Location Independent fixed land line) Carrier Name : Singapore Telecommunications Ltd Click here to buy Singapore Area Code Database Other Information Language Code : en (English) Country Number : 702 (Singapore) Country Code : SG (Singapore) City : VoIP 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 : +65-3-(1620000...1629999) next › : +65-6-(3000000...3009999) Dialling Instructions For trunk calls: - 3 2220000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 65 3 2220000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2220000 ~ 2229999 (Count: 10,000) Example: +65-3-2220000 / 0065-3-2220000 (3-2220000 / -3-2220000) +65-3-2220001 / 0065-3-2220001 (3-2220001 / -3-2220001) +65-3-2220002 / 0065-3-2220002 (3-2220002 / -3-2220002) +65-3-2220003 / 0065-3-2220003 (3-2220003 / -3-2220003) +65-3-2220004 / 0065-3-2220004 (3-2220004 / -3-2220004) ...+65-3-xxxxxxx / 0065-3-xxxxxxx (3-xxxxxxx / -3-xxxxxxx) ...+65-3-2229995 / 0065-3-2229995 (3-2229995 / -3-2229995) +65-3-2229996 / 0065-3-2229996 (3-2229996 / -3-2229996) +65-3-2229997 / 0065-3-2229997 (3-2229997 / -3-2229997) +65-3-2229998 / 0065-3-2229998 (3-2229998 / -3-2229998) +65-3-2229999 / 0065-3-2229999 (3-2229999 / -3-2229999)