Area Code +30-231-(6000000...6009999) 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 : 6000000 Subscriber Number To : 6009999 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 : HELLAS ON LINE 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-(5550000...5559999) next › : +30-231-(7000000...7009999) Dialling Instructions For trunk calls: - 231 6000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 30 231 6000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6000000 ~ 6009999 (Count: 10,000) Example: +30-231-6000000 / 0030-231-6000000 (0231-6000000 / 0-231-6000000) +30-231-6000001 / 0030-231-6000001 (0231-6000001 / 0-231-6000001) +30-231-6000002 / 0030-231-6000002 (0231-6000002 / 0-231-6000002) +30-231-6000003 / 0030-231-6000003 (0231-6000003 / 0-231-6000003) +30-231-6000004 / 0030-231-6000004 (0231-6000004 / 0-231-6000004) ...+30-231-xxxxxxx / 0030-231-xxxxxxx (0231-xxxxxxx / 0-231-xxxxxxx) ...+30-231-6009995 / 0030-231-6009995 (0231-6009995 / 0-231-6009995) +30-231-6009996 / 0030-231-6009996 (0231-6009996 / 0-231-6009996) +30-231-6009997 / 0030-231-6009997 (0231-6009997 / 0-231-6009997) +30-231-6009998 / 0030-231-6009998 (0231-6009998 / 0-231-6009998) +30-231-6009999 / 0030-231-6009999 (0231-6009999 / 0-231-6009999)