Area Code +352-523-(0...99999999) located in Dudelange, more detail is as below. Place International Dialing Code : 352 International Prefix : 00 National Destination Code : 523 Subscriber Number From : 0 Subscriber Number To : 99999999 National Destination Code Length : 3 Uses National Destination Code : No National Significant Number Length : 11 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) City : Dudelange Timezone : Europe/Luxembourg Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 4 Latitude : 49.6000 Longitude : 6.1500 ‹ previous : +352-522-(0...99999999) next › : +352-524-(0...99999999) Dialling Instructions For trunk calls: - 523 0 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 352 523 0 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 0 ~ 99999999 (Count: 100,000,000) Example: +352-523-00000000 / 00352-523-00000000 (523-00000000 / -523-00000000) +352-523-00000001 / 00352-523-00000001 (523-00000001 / -523-00000001) +352-523-00000002 / 00352-523-00000002 (523-00000002 / -523-00000002) +352-523-00000003 / 00352-523-00000003 (523-00000003 / -523-00000003) +352-523-00000004 / 00352-523-00000004 (523-00000004 / -523-00000004) ...+352-523-xxxxxxxx / 00352-523-xxxxxxxx (523-xxxxxxxx / -523-xxxxxxxx) ...+352-523-99999995 / 00352-523-99999995 (523-99999995 / -523-99999995) +352-523-99999996 / 00352-523-99999996 (523-99999996 / -523-99999996) +352-523-99999997 / 00352-523-99999997 (523-99999997 / -523-99999997) +352-523-99999998 / 00352-523-99999998 (523-99999998 / -523-99999998) +352-523-99999999 / 00352-523-99999999 (523-99999999 / -523-99999999)