Area Code +352-23-(570000...579999) 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 : 570000 Subscriber Number To : 579999 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-(560000...569999) next › : +352-23-(580000...589999) Dialling Instructions For trunk calls: - 23 570000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 352 23 570000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 570000 ~ 579999 (Count: 10,000) Example: +352-23-570000 / 00352-23-570000 (23-570000 / -23-570000) +352-23-570001 / 00352-23-570001 (23-570001 / -23-570001) +352-23-570002 / 00352-23-570002 (23-570002 / -23-570002) +352-23-570003 / 00352-23-570003 (23-570003 / -23-570003) +352-23-570004 / 00352-23-570004 (23-570004 / -23-570004) ...+352-23-xxxxxx / 00352-23-xxxxxx (23-xxxxxx / -23-xxxxxx) ...+352-23-579995 / 00352-23-579995 (23-579995 / -23-579995) +352-23-579996 / 00352-23-579996 (23-579996 / -23-579996) +352-23-579997 / 00352-23-579997 (23-579997 / -23-579997) +352-23-579998 / 00352-23-579998 (23-579998 / -23-579998) +352-23-579999 / 00352-23-579999 (23-579999 / -23-579999)