Area Code +61-12-(01100000...01199999) 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 : 01100000 Subscriber Number To : 01199999 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 : +61-10-(6600000000...6699999999) next › : +61-12-(01200000...01299999) Dialling Instructions For trunk calls: 0 12 01100000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 0011 61 12 01100000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 01100000 ~ 01199999 (Count: 100,000) Example: +61-12-01100000 / 001161-12-01100000 (12-01100000 / -12-01100000) +61-12-01100001 / 001161-12-01100001 (12-01100001 / -12-01100001) +61-12-01100002 / 001161-12-01100002 (12-01100002 / -12-01100002) +61-12-01100003 / 001161-12-01100003 (12-01100003 / -12-01100003) +61-12-01100004 / 001161-12-01100004 (12-01100004 / -12-01100004) ...+61-12-xxxxxxxx / 001161-12-xxxxxxxx (12-xxxxxxxx / -12-xxxxxxxx) ...+61-12-01199995 / 001161-12-01199995 (12-01199995 / -12-01199995) +61-12-01199996 / 001161-12-01199996 (12-01199996 / -12-01199996) +61-12-01199997 / 001161-12-01199997 (12-01199997 / -12-01199997) +61-12-01199998 / 001161-12-01199998 (12-01199998 / -12-01199998) +61-12-01199999 / 001161-12-01199999 (12-01199999 / -12-01199999)