Area Code +30-21-(02790000...02799999) 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 : 02790000 Subscriber Number To : 02799999 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-(02780000...02789999) next › : +30-21-(02800000...02809999) Dialling Instructions For trunk calls: - 21 02790000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 30 21 02790000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 02790000 ~ 02799999 (Count: 10,000) Example: +30-21-02790000 / 0030-21-02790000 (021-02790000 / 0-21-02790000) +30-21-02790001 / 0030-21-02790001 (021-02790001 / 0-21-02790001) +30-21-02790002 / 0030-21-02790002 (021-02790002 / 0-21-02790002) +30-21-02790003 / 0030-21-02790003 (021-02790003 / 0-21-02790003) +30-21-02790004 / 0030-21-02790004 (021-02790004 / 0-21-02790004) ...+30-21-xxxxxxxx / 0030-21-xxxxxxxx (021-xxxxxxxx / 0-21-xxxxxxxx) ...+30-21-02799995 / 0030-21-02799995 (021-02799995 / 0-21-02799995) +30-21-02799996 / 0030-21-02799996 (021-02799996 / 0-21-02799996) +30-21-02799997 / 0030-21-02799997 (021-02799997 / 0-21-02799997) +30-21-02799998 / 0030-21-02799998 (021-02799998 / 0-21-02799998) +30-21-02799999 / 0030-21-02799999 (021-02799999 / 0-21-02799999)