Area Code +61-8-(91183000...91183999) located in Derby, Western Australia (WA), more detail is as below. Place International Dialing Code : 61 International Prefix : 0011 National Prefix : 0 National Destination Code : 8 Subscriber Number From : 91183000 Subscriber Number To : 91183999 National Destination Code Length : 1 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Optus Networks Pty Limited Click here to buy Australia Area Code Database Other Information Language Code : en (English) Country Number : 36 (Australia) Country Code : AU (Australia) Region Code : WA Region Name : Western Australia City : Derby Timezone : Australia/Perth Coordinated Universal Time : +08:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : -17.3000 Longitude : 123.6300 ‹ previous : +61-8-(91182000...91182999) next › : +61-8-(91184000...91184999) Dialling Instructions For trunk calls: 0 8 91183000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 0011 61 8 91183000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 91183000 ~ 91183999 (Count: 1,000) Example: +61-8-91183000 / 001161-8-91183000 (08-91183000 / 0-8-91183000) +61-8-91183001 / 001161-8-91183001 (08-91183001 / 0-8-91183001) +61-8-91183002 / 001161-8-91183002 (08-91183002 / 0-8-91183002) +61-8-91183003 / 001161-8-91183003 (08-91183003 / 0-8-91183003) +61-8-91183004 / 001161-8-91183004 (08-91183004 / 0-8-91183004) ...+61-8-xxxxxxxx / 001161-8-xxxxxxxx (08-xxxxxxxx / 0-8-xxxxxxxx) ...+61-8-91183995 / 001161-8-91183995 (08-91183995 / 0-8-91183995) +61-8-91183996 / 001161-8-91183996 (08-91183996 / 0-8-91183996) +61-8-91183997 / 001161-8-91183997 (08-91183997 / 0-8-91183997) +61-8-91183998 / 001161-8-91183998 (08-91183998 / 0-8-91183998) +61-8-91183999 / 001161-8-91183999 (08-91183999 / 0-8-91183999)