Area Code +352-23-(680000...689999) 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 : 680000 Subscriber Number To : 689999 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-(670000...679999) next › : +352-23-(690000...699999) Dialling Instructions For trunk calls: - 23 680000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 352 23 680000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 680000 ~ 689999 (Count: 10,000) Example: +352-23-680000 / 00352-23-680000 (23-680000 / -23-680000) +352-23-680001 / 00352-23-680001 (23-680001 / -23-680001) +352-23-680002 / 00352-23-680002 (23-680002 / -23-680002) +352-23-680003 / 00352-23-680003 (23-680003 / -23-680003) +352-23-680004 / 00352-23-680004 (23-680004 / -23-680004) ...+352-23-xxxxxx / 00352-23-xxxxxx (23-xxxxxx / -23-xxxxxx) ...+352-23-689995 / 00352-23-689995 (23-689995 / -23-689995) +352-23-689996 / 00352-23-689996 (23-689996 / -23-689996) +352-23-689997 / 00352-23-689997 (23-689997 / -23-689997) +352-23-689998 / 00352-23-689998 (23-689998 / -23-689998) +352-23-689999 / 00352-23-689999 (23-689999 / -23-689999)