Area Code +30-231-(0030000...0039999) 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 : 0030000 Subscriber Number To : 0039999 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 : INFOBELL 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 : +30-2299-(888000...888999) next › : +30-231-(0050000...0059999) Dialling Instructions For trunk calls: - 231 0030000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 30 231 0030000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 0030000 ~ 0039999 (Count: 10,000) Example: +30-231-0030000 / 0030-231-0030000 (0231-0030000 / 0-231-0030000) +30-231-0030001 / 0030-231-0030001 (0231-0030001 / 0-231-0030001) +30-231-0030002 / 0030-231-0030002 (0231-0030002 / 0-231-0030002) +30-231-0030003 / 0030-231-0030003 (0231-0030003 / 0-231-0030003) +30-231-0030004 / 0030-231-0030004 (0231-0030004 / 0-231-0030004) ...+30-231-xxxxxxx / 0030-231-xxxxxxx (0231-xxxxxxx / 0-231-xxxxxxx) ...+30-231-0039995 / 0030-231-0039995 (0231-0039995 / 0-231-0039995) +30-231-0039996 / 0030-231-0039996 (0231-0039996 / 0-231-0039996) +30-231-0039997 / 0030-231-0039997 (0231-0039997 / 0-231-0039997) +30-231-0039998 / 0030-231-0039998 (0231-0039998 / 0-231-0039998) +30-231-0039999 / 0030-231-0039999 (0231-0039999 / 0-231-0039999)