Area Code +352-23-(720000...729999) 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 : 720000 Subscriber Number To : 729999 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-(710000...719999) next › : +352-23-(730000...739999) Dialling Instructions For trunk calls: - 23 720000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 352 23 720000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 720000 ~ 729999 (Count: 10,000) Example: +352-23-720000 / 00352-23-720000 (23-720000 / -23-720000) +352-23-720001 / 00352-23-720001 (23-720001 / -23-720001) +352-23-720002 / 00352-23-720002 (23-720002 / -23-720002) +352-23-720003 / 00352-23-720003 (23-720003 / -23-720003) +352-23-720004 / 00352-23-720004 (23-720004 / -23-720004) ...+352-23-xxxxxx / 00352-23-xxxxxx (23-xxxxxx / -23-xxxxxx) ...+352-23-729995 / 00352-23-729995 (23-729995 / -23-729995) +352-23-729996 / 00352-23-729996 (23-729996 / -23-729996) +352-23-729997 / 00352-23-729997 (23-729997 / -23-729997) +352-23-729998 / 00352-23-729998 (23-729998 / -23-729998) +352-23-729999 / 00352-23-729999 (23-729999 / -23-729999)