Area Code +30-21-(05020000...05029999) 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 : 05020000 Subscriber Number To : 05029999 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-(05010000...05019999) next › : +30-21-(05040000...05049999) Dialling Instructions For trunk calls: - 21 05020000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 30 21 05020000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 05020000 ~ 05029999 (Count: 10,000) Example: +30-21-05020000 / 0030-21-05020000 (021-05020000 / 0-21-05020000) +30-21-05020001 / 0030-21-05020001 (021-05020001 / 0-21-05020001) +30-21-05020002 / 0030-21-05020002 (021-05020002 / 0-21-05020002) +30-21-05020003 / 0030-21-05020003 (021-05020003 / 0-21-05020003) +30-21-05020004 / 0030-21-05020004 (021-05020004 / 0-21-05020004) ...+30-21-xxxxxxxx / 0030-21-xxxxxxxx (021-xxxxxxxx / 0-21-xxxxxxxx) ...+30-21-05029995 / 0030-21-05029995 (021-05029995 / 0-21-05029995) +30-21-05029996 / 0030-21-05029996 (021-05029996 / 0-21-05029996) +30-21-05029997 / 0030-21-05029997 (021-05029997 / 0-21-05029997) +30-21-05029998 / 0030-21-05029998 (021-05029998 / 0-21-05029998) +30-21-05029999 / 0030-21-05029999 (021-05029999 / 0-21-05029999)