Area Code +352-23-(550000...559999) 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 : 550000 Subscriber Number To : 559999 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-(540000...549999) next › : +352-23-(560000...569999) Dialling Instructions For trunk calls: - 23 550000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 352 23 550000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 550000 ~ 559999 (Count: 10,000) Example: +352-23-550000 / 00352-23-550000 (23-550000 / -23-550000) +352-23-550001 / 00352-23-550001 (23-550001 / -23-550001) +352-23-550002 / 00352-23-550002 (23-550002 / -23-550002) +352-23-550003 / 00352-23-550003 (23-550003 / -23-550003) +352-23-550004 / 00352-23-550004 (23-550004 / -23-550004) ...+352-23-xxxxxx / 00352-23-xxxxxx (23-xxxxxx / -23-xxxxxx) ...+352-23-559995 / 00352-23-559995 (23-559995 / -23-559995) +352-23-559996 / 00352-23-559996 (23-559996 / -23-559996) +352-23-559997 / 00352-23-559997 (23-559997 / -23-559997) +352-23-559998 / 00352-23-559998 (23-559998 / -23-559998) +352-23-559999 / 00352-23-559999 (23-559999 / -23-559999)