Area Code +30-231-(0340000...0349999) 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 : 0340000 Subscriber Number To : 0349999 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 : OTE S.A 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-(0330000...0339999) next › : +30-231-(0350000...0359999) Dialling Instructions For trunk calls: - 231 0340000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 30 231 0340000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 0340000 ~ 0349999 (Count: 10,000) Example: +30-231-0340000 / 0030-231-0340000 (0231-0340000 / 0-231-0340000) +30-231-0340001 / 0030-231-0340001 (0231-0340001 / 0-231-0340001) +30-231-0340002 / 0030-231-0340002 (0231-0340002 / 0-231-0340002) +30-231-0340003 / 0030-231-0340003 (0231-0340003 / 0-231-0340003) +30-231-0340004 / 0030-231-0340004 (0231-0340004 / 0-231-0340004) ...+30-231-xxxxxxx / 0030-231-xxxxxxx (0231-xxxxxxx / 0-231-xxxxxxx) ...+30-231-0349995 / 0030-231-0349995 (0231-0349995 / 0-231-0349995) +30-231-0349996 / 0030-231-0349996 (0231-0349996 / 0-231-0349996) +30-231-0349997 / 0030-231-0349997 (0231-0349997 / 0-231-0349997) +30-231-0349998 / 0030-231-0349998 (0231-0349998 / 0-231-0349998) +30-231-0349999 / 0030-231-0349999 (0231-0349999 / 0-231-0349999)