Area Code +30-231-(7000000...7009999) 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 : 7000000 Subscriber Number To : 7009999 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 : INTER TELECOM 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-(6000000...6009999) next › : +30-231-(7700000...7709999) Dialling Instructions For trunk calls: - 231 7000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 30 231 7000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7000000 ~ 7009999 (Count: 10,000) Example: +30-231-7000000 / 0030-231-7000000 (0231-7000000 / 0-231-7000000) +30-231-7000001 / 0030-231-7000001 (0231-7000001 / 0-231-7000001) +30-231-7000002 / 0030-231-7000002 (0231-7000002 / 0-231-7000002) +30-231-7000003 / 0030-231-7000003 (0231-7000003 / 0-231-7000003) +30-231-7000004 / 0030-231-7000004 (0231-7000004 / 0-231-7000004) ...+30-231-xxxxxxx / 0030-231-xxxxxxx (0231-xxxxxxx / 0-231-xxxxxxx) ...+30-231-7009995 / 0030-231-7009995 (0231-7009995 / 0-231-7009995) +30-231-7009996 / 0030-231-7009996 (0231-7009996 / 0-231-7009996) +30-231-7009997 / 0030-231-7009997 (0231-7009997 / 0-231-7009997) +30-231-7009998 / 0030-231-7009998 (0231-7009998 / 0-231-7009998) +30-231-7009999 / 0030-231-7009999 (0231-7009999 / 0-231-7009999)