Area Code +30-231-(4440000...4449999) located in Thessaloniki, Thessaloniki (54), more detail is as below. Place International Dialing Code : 30 International Prefix : 00 National Prefix : 0 National Destination Code : 231 Subscriber Number From : 4440000 Subscriber Number To : 4449999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : ROLAWARE HELLAS Click here to buy Greece Area Code Database Other Information Language Code : el (Greek) Country Number : 300 (Greece) Country Code : GR (Greece) Region Code : 54 Region Name : Thessaloniki City : Thessaloniki Timezone : Europe/Athens Coordinated Universal Time : +02:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 40.6400 Longitude : 22.9400 ‹ previous : +30-231-(4150000...4159999) next › : +30-231-(5530000...5539999) Dialling Instructions For trunk calls: - 231 4440000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 30 231 4440000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4440000 ~ 4449999 (Count: 10,000) Example: +30-231-4440000 / 0030-231-4440000 (0231-4440000 / 0-231-4440000) +30-231-4440001 / 0030-231-4440001 (0231-4440001 / 0-231-4440001) +30-231-4440002 / 0030-231-4440002 (0231-4440002 / 0-231-4440002) +30-231-4440003 / 0030-231-4440003 (0231-4440003 / 0-231-4440003) +30-231-4440004 / 0030-231-4440004 (0231-4440004 / 0-231-4440004) ...+30-231-xxxxxxx / 0030-231-xxxxxxx (0231-xxxxxxx / 0-231-xxxxxxx) ...+30-231-4449995 / 0030-231-4449995 (0231-4449995 / 0-231-4449995) +30-231-4449996 / 0030-231-4449996 (0231-4449996 / 0-231-4449996) +30-231-4449997 / 0030-231-4449997 (0231-4449997 / 0-231-4449997) +30-231-4449998 / 0030-231-4449998 (0231-4449998 / 0-231-4449998) +30-231-4449999 / 0030-231-4449999 (0231-4449999 / 0-231-4449999)