Area Code +30-21-(05000000...05009999) 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 : 05000000 Subscriber Number To : 05009999 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 : AEGEAN TELECOM 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-(04140000...04149999) next › : +30-21-(05180000...05189999) Dialling Instructions For trunk calls: - 21 05000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 30 21 05000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 05000000 ~ 05009999 (Count: 10,000) Example: +30-21-05000000 / 0030-21-05000000 (021-05000000 / 0-21-05000000) +30-21-05000001 / 0030-21-05000001 (021-05000001 / 0-21-05000001) +30-21-05000002 / 0030-21-05000002 (021-05000002 / 0-21-05000002) +30-21-05000003 / 0030-21-05000003 (021-05000003 / 0-21-05000003) +30-21-05000004 / 0030-21-05000004 (021-05000004 / 0-21-05000004) ...+30-21-xxxxxxxx / 0030-21-xxxxxxxx (021-xxxxxxxx / 0-21-xxxxxxxx) ...+30-21-05009995 / 0030-21-05009995 (021-05009995 / 0-21-05009995) +30-21-05009996 / 0030-21-05009996 (021-05009996 / 0-21-05009996) +30-21-05009997 / 0030-21-05009997 (021-05009997 / 0-21-05009997) +30-21-05009998 / 0030-21-05009998 (021-05009998 / 0-21-05009998) +30-21-05009999 / 0030-21-05009999 (021-05009999 / 0-21-05009999)