Area Code +352-23-(430000...439999) 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 : 430000 Subscriber Number To : 439999 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-(420000...429999) next › : +352-23-(440000...449999) Dialling Instructions For trunk calls: - 23 430000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 352 23 430000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 430000 ~ 439999 (Count: 10,000) Example: +352-23-430000 / 00352-23-430000 (23-430000 / -23-430000) +352-23-430001 / 00352-23-430001 (23-430001 / -23-430001) +352-23-430002 / 00352-23-430002 (23-430002 / -23-430002) +352-23-430003 / 00352-23-430003 (23-430003 / -23-430003) +352-23-430004 / 00352-23-430004 (23-430004 / -23-430004) ...+352-23-xxxxxx / 00352-23-xxxxxx (23-xxxxxx / -23-xxxxxx) ...+352-23-439995 / 00352-23-439995 (23-439995 / -23-439995) +352-23-439996 / 00352-23-439996 (23-439996 / -23-439996) +352-23-439997 / 00352-23-439997 (23-439997 / -23-439997) +352-23-439998 / 00352-23-439998 (23-439998 / -23-439998) +352-23-439999 / 00352-23-439999 (23-439999 / -23-439999)