Area Code +853-840-(00000...99999) located in Macau, more detail is as below. Place International Dialing Code : 853 International Prefix : 00 National Destination Code : 840 Subscriber Number From : 00000 Subscriber Number To : 99999 National Destination Code Length : 3 Uses National Destination Code : No National Significant Number Length : 8 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : CTM Click here to buy Macao Area Code Database Other Information Language Code : zh (Chinese) Country Number : 446 (Macao) Country Code : MO (Macao) City : Macau Timezone : Asia/Macau Coordinated Universal Time : +08:00 Daylight Saving Time : No National Significant Number Minimum Length : 8 Latitude : 22.1900 Longitude : 113.5500 ‹ previous : +853-830-(00000...99999) next › : +853-850-(00000...99999) Dialling Instructions For trunk calls: 0 840 00000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 853 840 00000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 00000 ~ 99999 (Count: 100,000) Example: +853-840-00000 / 00853-840-00000 (840-00000 / -840-00000) +853-840-00001 / 00853-840-00001 (840-00001 / -840-00001) +853-840-00002 / 00853-840-00002 (840-00002 / -840-00002) +853-840-00003 / 00853-840-00003 (840-00003 / -840-00003) +853-840-00004 / 00853-840-00004 (840-00004 / -840-00004) ...+853-840-xxxxx / 00853-840-xxxxx (840-xxxxx / -840-xxxxx) ...+853-840-99995 / 00853-840-99995 (840-99995 / -840-99995) +853-840-99996 / 00853-840-99996 (840-99996 / -840-99996) +853-840-99997 / 00853-840-99997 (840-99997 / -840-99997) +853-840-99998 / 00853-840-99998 (840-99998 / -840-99998) +853-840-99999 / 00853-840-99999 (840-99999 / -840-99999)