Area Code +30-21-(28090000...28099999) 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 : 28090000 Subscriber Number To : 28099999 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 : 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 : 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-(28080000...28089999) next › : +30-21-(29000000...29009999) Dialling Instructions For trunk calls: - 21 28090000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 30 21 28090000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 28090000 ~ 28099999 (Count: 10,000) Example: +30-21-28090000 / 0030-21-28090000 (021-28090000 / 0-21-28090000) +30-21-28090001 / 0030-21-28090001 (021-28090001 / 0-21-28090001) +30-21-28090002 / 0030-21-28090002 (021-28090002 / 0-21-28090002) +30-21-28090003 / 0030-21-28090003 (021-28090003 / 0-21-28090003) +30-21-28090004 / 0030-21-28090004 (021-28090004 / 0-21-28090004) ...+30-21-xxxxxxxx / 0030-21-xxxxxxxx (021-xxxxxxxx / 0-21-xxxxxxxx) ...+30-21-28099995 / 0030-21-28099995 (021-28099995 / 0-21-28099995) +30-21-28099996 / 0030-21-28099996 (021-28099996 / 0-21-28099996) +30-21-28099997 / 0030-21-28099997 (021-28099997 / 0-21-28099997) +30-21-28099998 / 0030-21-28099998 (021-28099998 / 0-21-28099998) +30-21-28099999 / 0030-21-28099999 (021-28099999 / 0-21-28099999)