Area Code +61-12-(01990000...01999999) located in Incoming only international, more detail is as below. Place International Dialing Code : 61 International Prefix : 0011 National Destination Code : 12 Subscriber Number From : 01990000 Subscriber Number To : 01999999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : S (Special) Carrier Name : Singtel Optus Pty Limited Click here to buy Australia Area Code Database Other Information Language Code : en (English) Country Number : 36 (Australia) Country Code : AU (Australia) City : Incoming only international Timezone : Australia/Melbourne Coordinated Universal Time : +10:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : -25.2700 Longitude : 133.7800 ‹ previous : +61-12-(01600000...01699999) next › : +61-12-(02000000...02999999) Dialling Instructions For trunk calls: 0 12 01990000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 0011 61 12 01990000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 01990000 ~ 01999999 (Count: 10,000) Example: +61-12-01990000 / 001161-12-01990000 (12-01990000 / -12-01990000) +61-12-01990001 / 001161-12-01990001 (12-01990001 / -12-01990001) +61-12-01990002 / 001161-12-01990002 (12-01990002 / -12-01990002) +61-12-01990003 / 001161-12-01990003 (12-01990003 / -12-01990003) +61-12-01990004 / 001161-12-01990004 (12-01990004 / -12-01990004) ...+61-12-xxxxxxxx / 001161-12-xxxxxxxx (12-xxxxxxxx / -12-xxxxxxxx) ...+61-12-01999995 / 001161-12-01999995 (12-01999995 / -12-01999995) +61-12-01999996 / 001161-12-01999996 (12-01999996 / -12-01999996) +61-12-01999997 / 001161-12-01999997 (12-01999997 / -12-01999997) +61-12-01999998 / 001161-12-01999998 (12-01999998 / -12-01999998) +61-12-01999999 / 001161-12-01999999 (12-01999999 / -12-01999999)