Area Code +352-421-(0...99999999) located in Plateau de Kirchberg, more detail is as below. Place International Dialing Code : 352 International Prefix : 00 National Destination Code : 421 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 : Plateau de Kirchberg 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 : +352-420-(0...99999999) next › : +352-422-(0...99999999) Dialling Instructions For trunk calls: - 421 0 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 352 421 0 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 0 ~ 99999999 (Count: 100,000,000) Example: +352-421-00000000 / 00352-421-00000000 (421-00000000 / -421-00000000) +352-421-00000001 / 00352-421-00000001 (421-00000001 / -421-00000001) +352-421-00000002 / 00352-421-00000002 (421-00000002 / -421-00000002) +352-421-00000003 / 00352-421-00000003 (421-00000003 / -421-00000003) +352-421-00000004 / 00352-421-00000004 (421-00000004 / -421-00000004) ...+352-421-xxxxxxxx / 00352-421-xxxxxxxx (421-xxxxxxxx / -421-xxxxxxxx) ...+352-421-99999995 / 00352-421-99999995 (421-99999995 / -421-99999995) +352-421-99999996 / 00352-421-99999996 (421-99999996 / -421-99999996) +352-421-99999997 / 00352-421-99999997 (421-99999997 / -421-99999997) +352-421-99999998 / 00352-421-99999998 (421-99999998 / -421-99999998) +352-421-99999999 / 00352-421-99999999 (421-99999999 / -421-99999999)