Area Code +352-23-(850000...859999) located in Mondorf-les-Bains/Bascharage/Noerdange/Remich, Luxembourg, more detail is as below. Place International Dialing Code : 352 International Prefix : 00 National Destination Code : 23 Subscriber Number From : 850000 Subscriber Number To : 859999 National Destination Code Length : 2 Uses National Destination Code : No National Significant Number Length : 8 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Entreprise des Postes et Télécommunications Click here to buy Luxembourg Area Code Database Other Information Language Code : fr (French) Country Number : 442 (Luxembourg) Country Code : LU (Luxembourg) Region Name : Luxembourg City : Mondorf-les-Bains/Bascharage/Noerdange/Remich Timezone : Europe/Luxembourg Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : 49.6000 Longitude : 6.1500 ‹ previous : +352-23-(840000...849999) next › : +352-23-(860000...869999) Dialling Instructions For trunk calls: - 23 850000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 352 23 850000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 850000 ~ 859999 (Count: 10,000) Example: +352-23-850000 / 00352-23-850000 (23-850000 / -23-850000) +352-23-850001 / 00352-23-850001 (23-850001 / -23-850001) +352-23-850002 / 00352-23-850002 (23-850002 / -23-850002) +352-23-850003 / 00352-23-850003 (23-850003 / -23-850003) +352-23-850004 / 00352-23-850004 (23-850004 / -23-850004) ...+352-23-xxxxxx / 00352-23-xxxxxx (23-xxxxxx / -23-xxxxxx) ...+352-23-859995 / 00352-23-859995 (23-859995 / -23-859995) +352-23-859996 / 00352-23-859996 (23-859996 / -23-859996) +352-23-859997 / 00352-23-859997 (23-859997 / -23-859997) +352-23-859998 / 00352-23-859998 (23-859998 / -23-859998) +352-23-859999 / 00352-23-859999 (23-859999 / -23-859999)