Area Code +352-23-(690000...699999) 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 : 690000 Subscriber Number To : 699999 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-(680000...689999) next › : +352-23-(710000...719999) Dialling Instructions For trunk calls: - 23 690000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 352 23 690000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 690000 ~ 699999 (Count: 10,000) Example: +352-23-690000 / 00352-23-690000 (23-690000 / -23-690000) +352-23-690001 / 00352-23-690001 (23-690001 / -23-690001) +352-23-690002 / 00352-23-690002 (23-690002 / -23-690002) +352-23-690003 / 00352-23-690003 (23-690003 / -23-690003) +352-23-690004 / 00352-23-690004 (23-690004 / -23-690004) ...+352-23-xxxxxx / 00352-23-xxxxxx (23-xxxxxx / -23-xxxxxx) ...+352-23-699995 / 00352-23-699995 (23-699995 / -23-699995) +352-23-699996 / 00352-23-699996 (23-699996 / -23-699996) +352-23-699997 / 00352-23-699997 (23-699997 / -23-699997) +352-23-699998 / 00352-23-699998 (23-699998 / -23-699998) +352-23-699999 / 00352-23-699999 (23-699999 / -23-699999)