Area Code +352-23-(370000...379999) 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 : 370000 Subscriber Number To : 379999 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-(360000...369999) next › : +352-23-(380000...389999) Dialling Instructions For trunk calls: - 23 370000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 352 23 370000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 370000 ~ 379999 (Count: 10,000) Example: +352-23-370000 / 00352-23-370000 (23-370000 / -23-370000) +352-23-370001 / 00352-23-370001 (23-370001 / -23-370001) +352-23-370002 / 00352-23-370002 (23-370002 / -23-370002) +352-23-370003 / 00352-23-370003 (23-370003 / -23-370003) +352-23-370004 / 00352-23-370004 (23-370004 / -23-370004) ...+352-23-xxxxxx / 00352-23-xxxxxx (23-xxxxxx / -23-xxxxxx) ...+352-23-379995 / 00352-23-379995 (23-379995 / -23-379995) +352-23-379996 / 00352-23-379996 (23-379996 / -23-379996) +352-23-379997 / 00352-23-379997 (23-379997 / -23-379997) +352-23-379998 / 00352-23-379998 (23-379998 / -23-379998) +352-23-379999 / 00352-23-379999 (23-379999 / -23-379999)