Area Code +39-178-(4000000...4000999) located in Personal Number Service, more detail is as below. Place International Dialing Code : 39 International Prefix : 00 National Destination Code : 178 Subscriber Number From : 4000000 Subscriber Number To : 4000999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : P (P) Carrier Name : Colt Telecom Click here to buy Italy Area Code Database Other Information Language Code : it (Italian) Country Number : 380 (Italy) Country Code : IT (Italy) City : Personal Number Service Timezone : Europe/Rome Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 41.9000 Longitude : 12.4800 ‹ previous : +39-178-(3399000...3399999) next › : +39-178-(4001000...4001999) Dialling Instructions For trunk calls: - 178 4000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 39 178 4000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4000000 ~ 4000999 (Count: 1,000) Example: +39-178-4000000 / 0039-178-4000000 (178-4000000 / -178-4000000) +39-178-4000001 / 0039-178-4000001 (178-4000001 / -178-4000001) +39-178-4000002 / 0039-178-4000002 (178-4000002 / -178-4000002) +39-178-4000003 / 0039-178-4000003 (178-4000003 / -178-4000003) +39-178-4000004 / 0039-178-4000004 (178-4000004 / -178-4000004) ...+39-178-xxxxxxx / 0039-178-xxxxxxx (178-xxxxxxx / -178-xxxxxxx) ...+39-178-4000995 / 0039-178-4000995 (178-4000995 / -178-4000995) +39-178-4000996 / 0039-178-4000996 (178-4000996 / -178-4000996) +39-178-4000997 / 0039-178-4000997 (178-4000997 / -178-4000997) +39-178-4000998 / 0039-178-4000998 (178-4000998 / -178-4000998) +39-178-4000999 / 0039-178-4000999 (178-4000999 / -178-4000999)