Area Code +65-3-(1600000...1609999) located in VoIP, more detail is as below. Place International Dialing Code : 65 International Prefix : 00 National Destination Code : 3 Subscriber Number From : 1600000 Subscriber Number To : 1609999 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 : Hoiio PL 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-(1590000...1599999) next › : +65-3-(1610000...1619999) Dialling Instructions For trunk calls: - 3 1600000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 65 3 1600000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 1600000 ~ 1609999 (Count: 10,000) Example: +65-3-1600000 / 0065-3-1600000 (3-1600000 / -3-1600000) +65-3-1600001 / 0065-3-1600001 (3-1600001 / -3-1600001) +65-3-1600002 / 0065-3-1600002 (3-1600002 / -3-1600002) +65-3-1600003 / 0065-3-1600003 (3-1600003 / -3-1600003) +65-3-1600004 / 0065-3-1600004 (3-1600004 / -3-1600004) ...+65-3-xxxxxxx / 0065-3-xxxxxxx (3-xxxxxxx / -3-xxxxxxx) ...+65-3-1609995 / 0065-3-1609995 (3-1609995 / -3-1609995) +65-3-1609996 / 0065-3-1609996 (3-1609996 / -3-1609996) +65-3-1609997 / 0065-3-1609997 (3-1609997 / -3-1609997) +65-3-1609998 / 0065-3-1609998 (3-1609998 / -3-1609998) +65-3-1609999 / 0065-3-1609999 (3-1609999 / -3-1609999)