Area Code +30-231-(1990000...1999999) 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 : 1990000 Subscriber Number To : 1999999 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 : WIND HELLAS TELECOMMUNICATIONS SA 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-(1820000...1829999) next › : +30-231-(2120000...2129999) Dialling Instructions For trunk calls: - 231 1990000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 30 231 1990000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 1990000 ~ 1999999 (Count: 10,000) Example: +30-231-1990000 / 0030-231-1990000 (0231-1990000 / 0-231-1990000) +30-231-1990001 / 0030-231-1990001 (0231-1990001 / 0-231-1990001) +30-231-1990002 / 0030-231-1990002 (0231-1990002 / 0-231-1990002) +30-231-1990003 / 0030-231-1990003 (0231-1990003 / 0-231-1990003) +30-231-1990004 / 0030-231-1990004 (0231-1990004 / 0-231-1990004) ...+30-231-xxxxxxx / 0030-231-xxxxxxx (0231-xxxxxxx / 0-231-xxxxxxx) ...+30-231-1999995 / 0030-231-1999995 (0231-1999995 / 0-231-1999995) +30-231-1999996 / 0030-231-1999996 (0231-1999996 / 0-231-1999996) +30-231-1999997 / 0030-231-1999997 (0231-1999997 / 0-231-1999997) +30-231-1999998 / 0030-231-1999998 (0231-1999998 / 0-231-1999998) +30-231-1999999 / 0030-231-1999999 (0231-1999999 / 0-231-1999999)