Area Code +30-21-(04580000...04589999) 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 : 04580000 Subscriber Number To : 04589999 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-(04550000...04559999) next › : +30-21-(04590000...04599999) Dialling Instructions For trunk calls: - 21 04580000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 30 21 04580000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 04580000 ~ 04589999 (Count: 10,000) Example: +30-21-04580000 / 0030-21-04580000 (021-04580000 / 0-21-04580000) +30-21-04580001 / 0030-21-04580001 (021-04580001 / 0-21-04580001) +30-21-04580002 / 0030-21-04580002 (021-04580002 / 0-21-04580002) +30-21-04580003 / 0030-21-04580003 (021-04580003 / 0-21-04580003) +30-21-04580004 / 0030-21-04580004 (021-04580004 / 0-21-04580004) ...+30-21-xxxxxxxx / 0030-21-xxxxxxxx (021-xxxxxxxx / 0-21-xxxxxxxx) ...+30-21-04589995 / 0030-21-04589995 (021-04589995 / 0-21-04589995) +30-21-04589996 / 0030-21-04589996 (021-04589996 / 0-21-04589996) +30-21-04589997 / 0030-21-04589997 (021-04589997 / 0-21-04589997) +30-21-04589998 / 0030-21-04589998 (021-04589998 / 0-21-04589998) +30-21-04589999 / 0030-21-04589999 (021-04589999 / 0-21-04589999)