Area Code +352-23-(520000...529999) 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 : 520000 Subscriber Number To : 529999 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-(510000...519999) next › : +352-23-(530000...539999) Dialling Instructions For trunk calls: - 23 520000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 352 23 520000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 520000 ~ 529999 (Count: 10,000) Example: +352-23-520000 / 00352-23-520000 (23-520000 / -23-520000) +352-23-520001 / 00352-23-520001 (23-520001 / -23-520001) +352-23-520002 / 00352-23-520002 (23-520002 / -23-520002) +352-23-520003 / 00352-23-520003 (23-520003 / -23-520003) +352-23-520004 / 00352-23-520004 (23-520004 / -23-520004) ...+352-23-xxxxxx / 00352-23-xxxxxx (23-xxxxxx / -23-xxxxxx) ...+352-23-529995 / 00352-23-529995 (23-529995 / -23-529995) +352-23-529996 / 00352-23-529996 (23-529996 / -23-529996) +352-23-529997 / 00352-23-529997 (23-529997 / -23-529997) +352-23-529998 / 00352-23-529998 (23-529998 / -23-529998) +352-23-529999 / 00352-23-529999 (23-529999 / -23-529999)