Area Code +30-21-(03580000...03589999) located in Athens, Attiki (A1), more detail is as below. Place International Dialing Code : 30 International Prefix : 00 National Prefix : 0 National Destination Code : 21 Subscriber Number From : 03580000 Subscriber Number To : 03589999 National Destination Code Length : 2 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 : A1 Region Name : Attiki City : Athens Timezone : Europe/Athens Coordinated Universal Time : +02:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 37.9800 Longitude : 23.7200 ‹ previous : +30-21-(03570000...03579999) next › : +30-21-(03590000...03599999) Dialling Instructions For trunk calls: - 21 03580000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 30 21 03580000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 03580000 ~ 03589999 (Count: 10,000) Example: +30-21-03580000 / 0030-21-03580000 (021-03580000 / 0-21-03580000) +30-21-03580001 / 0030-21-03580001 (021-03580001 / 0-21-03580001) +30-21-03580002 / 0030-21-03580002 (021-03580002 / 0-21-03580002) +30-21-03580003 / 0030-21-03580003 (021-03580003 / 0-21-03580003) +30-21-03580004 / 0030-21-03580004 (021-03580004 / 0-21-03580004) ...+30-21-xxxxxxxx / 0030-21-xxxxxxxx (021-xxxxxxxx / 0-21-xxxxxxxx) ...+30-21-03589995 / 0030-21-03589995 (021-03589995 / 0-21-03589995) +30-21-03589996 / 0030-21-03589996 (021-03589996 / 0-21-03589996) +30-21-03589997 / 0030-21-03589997 (021-03589997 / 0-21-03589997) +30-21-03589998 / 0030-21-03589998 (021-03589998 / 0-21-03589998) +30-21-03589999 / 0030-21-03589999 (021-03589999 / 0-21-03589999)