Area Code +352-23-(730000...739999) 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 : 730000 Subscriber Number To : 739999 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-(720000...729999) next › : +352-23-(740000...749999) Dialling Instructions For trunk calls: - 23 730000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 352 23 730000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 730000 ~ 739999 (Count: 10,000) Example: +352-23-730000 / 00352-23-730000 (23-730000 / -23-730000) +352-23-730001 / 00352-23-730001 (23-730001 / -23-730001) +352-23-730002 / 00352-23-730002 (23-730002 / -23-730002) +352-23-730003 / 00352-23-730003 (23-730003 / -23-730003) +352-23-730004 / 00352-23-730004 (23-730004 / -23-730004) ...+352-23-xxxxxx / 00352-23-xxxxxx (23-xxxxxx / -23-xxxxxx) ...+352-23-739995 / 00352-23-739995 (23-739995 / -23-739995) +352-23-739996 / 00352-23-739996 (23-739996 / -23-739996) +352-23-739997 / 00352-23-739997 (23-739997 / -23-739997) +352-23-739998 / 00352-23-739998 (23-739998 / -23-739998) +352-23-739999 / 00352-23-739999 (23-739999 / -23-739999)