Area Code +352-23-(670000...679999) 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 : 670000 Subscriber Number To : 679999 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-(660000...669999) next › : +352-23-(680000...689999) Dialling Instructions For trunk calls: - 23 670000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 352 23 670000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 670000 ~ 679999 (Count: 10,000) Example: +352-23-670000 / 00352-23-670000 (23-670000 / -23-670000) +352-23-670001 / 00352-23-670001 (23-670001 / -23-670001) +352-23-670002 / 00352-23-670002 (23-670002 / -23-670002) +352-23-670003 / 00352-23-670003 (23-670003 / -23-670003) +352-23-670004 / 00352-23-670004 (23-670004 / -23-670004) ...+352-23-xxxxxx / 00352-23-xxxxxx (23-xxxxxx / -23-xxxxxx) ...+352-23-679995 / 00352-23-679995 (23-679995 / -23-679995) +352-23-679996 / 00352-23-679996 (23-679996 / -23-679996) +352-23-679997 / 00352-23-679997 (23-679997 / -23-679997) +352-23-679998 / 00352-23-679998 (23-679998 / -23-679998) +352-23-679999 / 00352-23-679999 (23-679999 / -23-679999)