Area Code +423-660-(500000...599999) located in International Mobile Services, Liechtenstein, more detail is as below. Place International Dialing Code : 423 International Prefix : 00 National Destination Code : 660 Subscriber Number From : 500000 Subscriber Number To : 599999 National Destination Code Length : 3 Uses National Destination Code : No National Significant Number Length : 9 Number Type : M (Mobile, Cellular) Carrier Name : Telecom Liechtenstein AG Click here to buy Liechtenstein Area Code Database Other Information Language Code : de (German) Country Number : 438 (Liechtenstein) Country Code : LI (Liechtenstein) Region Name : Liechtenstein City : International Mobile Services Timezone : Europe/Vaduz Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 47.1400 Longitude : 9.5200 ‹ previous : +423-651-(500000...599999) next › : +423-660-(600000...699999) Dialling Instructions For trunk calls: - 660 500000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 423 660 500000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 500000 ~ 599999 (Count: 100,000) Example: +423-660-500000 / 00423-660-500000 (660-500000 / -660-500000) +423-660-500001 / 00423-660-500001 (660-500001 / -660-500001) +423-660-500002 / 00423-660-500002 (660-500002 / -660-500002) +423-660-500003 / 00423-660-500003 (660-500003 / -660-500003) +423-660-500004 / 00423-660-500004 (660-500004 / -660-500004) ...+423-660-xxxxxx / 00423-660-xxxxxx (660-xxxxxx / -660-xxxxxx) ...+423-660-599995 / 00423-660-599995 (660-599995 / -660-599995) +423-660-599996 / 00423-660-599996 (660-599996 / -660-599996) +423-660-599997 / 00423-660-599997 (660-599997 / -660-599997) +423-660-599998 / 00423-660-599998 (660-599998 / -660-599998) +423-660-599999 / 00423-660-599999 (660-599999 / -660-599999)