Area Code +352-23-(300000...309999) 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 : 300000 Subscriber Number To : 309999 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-(290000...299999) next › : +352-23-(310000...319999) Dialling Instructions For trunk calls: - 23 300000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 352 23 300000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 300000 ~ 309999 (Count: 10,000) Example: +352-23-300000 / 00352-23-300000 (23-300000 / -23-300000) +352-23-300001 / 00352-23-300001 (23-300001 / -23-300001) +352-23-300002 / 00352-23-300002 (23-300002 / -23-300002) +352-23-300003 / 00352-23-300003 (23-300003 / -23-300003) +352-23-300004 / 00352-23-300004 (23-300004 / -23-300004) ...+352-23-xxxxxx / 00352-23-xxxxxx (23-xxxxxx / -23-xxxxxx) ...+352-23-309995 / 00352-23-309995 (23-309995 / -23-309995) +352-23-309996 / 00352-23-309996 (23-309996 / -23-309996) +352-23-309997 / 00352-23-309997 (23-309997 / -23-309997) +352-23-309998 / 00352-23-309998 (23-309998 / -23-309998) +352-23-309999 / 00352-23-309999 (23-309999 / -23-309999)