Area Code +30-231-(8500000...8509999) 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 : 8500000 Subscriber Number To : 8509999 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 : VOICELAND TELECOMMUNICATIONS 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-(6010000...6019999) next › : +30-231-(9990000...9999999) Dialling Instructions For trunk calls: - 231 8500000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 30 231 8500000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 8500000 ~ 8509999 (Count: 10,000) Example: +30-231-8500000 / 0030-231-8500000 (0231-8500000 / 0-231-8500000) +30-231-8500001 / 0030-231-8500001 (0231-8500001 / 0-231-8500001) +30-231-8500002 / 0030-231-8500002 (0231-8500002 / 0-231-8500002) +30-231-8500003 / 0030-231-8500003 (0231-8500003 / 0-231-8500003) +30-231-8500004 / 0030-231-8500004 (0231-8500004 / 0-231-8500004) ...+30-231-xxxxxxx / 0030-231-xxxxxxx (0231-xxxxxxx / 0-231-xxxxxxx) ...+30-231-8509995 / 0030-231-8509995 (0231-8509995 / 0-231-8509995) +30-231-8509996 / 0030-231-8509996 (0231-8509996 / 0-231-8509996) +30-231-8509997 / 0030-231-8509997 (0231-8509997 / 0-231-8509997) +30-231-8509998 / 0030-231-8509998 (0231-8509998 / 0-231-8509998) +30-231-8509999 / 0030-231-8509999 (0231-8509999 / 0-231-8509999)