Area Code +30-21-(02430000...02439999) 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 : 02430000 Subscriber Number To : 02439999 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-(02420000...02429999) next › : +30-21-(02440000...02449999) Dialling Instructions For trunk calls: - 21 02430000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 30 21 02430000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 02430000 ~ 02439999 (Count: 10,000) Example: +30-21-02430000 / 0030-21-02430000 (021-02430000 / 0-21-02430000) +30-21-02430001 / 0030-21-02430001 (021-02430001 / 0-21-02430001) +30-21-02430002 / 0030-21-02430002 (021-02430002 / 0-21-02430002) +30-21-02430003 / 0030-21-02430003 (021-02430003 / 0-21-02430003) +30-21-02430004 / 0030-21-02430004 (021-02430004 / 0-21-02430004) ...+30-21-xxxxxxxx / 0030-21-xxxxxxxx (021-xxxxxxxx / 0-21-xxxxxxxx) ...+30-21-02439995 / 0030-21-02439995 (021-02439995 / 0-21-02439995) +30-21-02439996 / 0030-21-02439996 (021-02439996 / 0-21-02439996) +30-21-02439997 / 0030-21-02439997 (021-02439997 / 0-21-02439997) +30-21-02439998 / 0030-21-02439998 (021-02439998 / 0-21-02439998) +30-21-02439999 / 0030-21-02439999 (021-02439999 / 0-21-02439999)