Area Code +352-23-(630000...639999) 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 : 630000 Subscriber Number To : 639999 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-(620000...629999) next › : +352-23-(640000...649999) Dialling Instructions For trunk calls: - 23 630000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 352 23 630000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 630000 ~ 639999 (Count: 10,000) Example: +352-23-630000 / 00352-23-630000 (23-630000 / -23-630000) +352-23-630001 / 00352-23-630001 (23-630001 / -23-630001) +352-23-630002 / 00352-23-630002 (23-630002 / -23-630002) +352-23-630003 / 00352-23-630003 (23-630003 / -23-630003) +352-23-630004 / 00352-23-630004 (23-630004 / -23-630004) ...+352-23-xxxxxx / 00352-23-xxxxxx (23-xxxxxx / -23-xxxxxx) ...+352-23-639995 / 00352-23-639995 (23-639995 / -23-639995) +352-23-639996 / 00352-23-639996 (23-639996 / -23-639996) +352-23-639997 / 00352-23-639997 (23-639997 / -23-639997) +352-23-639998 / 00352-23-639998 (23-639998 / -23-639998) +352-23-639999 / 00352-23-639999 (23-639999 / -23-639999)