Area Code +352-23-(440000...449999) 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 : 440000 Subscriber Number To : 449999 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-(430000...439999) next › : +352-23-(450000...459999) Dialling Instructions For trunk calls: - 23 440000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 352 23 440000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 440000 ~ 449999 (Count: 10,000) Example: +352-23-440000 / 00352-23-440000 (23-440000 / -23-440000) +352-23-440001 / 00352-23-440001 (23-440001 / -23-440001) +352-23-440002 / 00352-23-440002 (23-440002 / -23-440002) +352-23-440003 / 00352-23-440003 (23-440003 / -23-440003) +352-23-440004 / 00352-23-440004 (23-440004 / -23-440004) ...+352-23-xxxxxx / 00352-23-xxxxxx (23-xxxxxx / -23-xxxxxx) ...+352-23-449995 / 00352-23-449995 (23-449995 / -23-449995) +352-23-449996 / 00352-23-449996 (23-449996 / -23-449996) +352-23-449997 / 00352-23-449997 (23-449997 / -23-449997) +352-23-449998 / 00352-23-449998 (23-449998 / -23-449998) +352-23-449999 / 00352-23-449999 (23-449999 / -23-449999)