Area Code +30-21-(02810000...02819999) 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 : 02810000 Subscriber Number To : 02819999 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-(02800000...02809999) next › : +30-21-(02820000...02829999) Dialling Instructions For trunk calls: - 21 02810000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 30 21 02810000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 02810000 ~ 02819999 (Count: 10,000) Example: +30-21-02810000 / 0030-21-02810000 (021-02810000 / 0-21-02810000) +30-21-02810001 / 0030-21-02810001 (021-02810001 / 0-21-02810001) +30-21-02810002 / 0030-21-02810002 (021-02810002 / 0-21-02810002) +30-21-02810003 / 0030-21-02810003 (021-02810003 / 0-21-02810003) +30-21-02810004 / 0030-21-02810004 (021-02810004 / 0-21-02810004) ...+30-21-xxxxxxxx / 0030-21-xxxxxxxx (021-xxxxxxxx / 0-21-xxxxxxxx) ...+30-21-02819995 / 0030-21-02819995 (021-02819995 / 0-21-02819995) +30-21-02819996 / 0030-21-02819996 (021-02819996 / 0-21-02819996) +30-21-02819997 / 0030-21-02819997 (021-02819997 / 0-21-02819997) +30-21-02819998 / 0030-21-02819998 (021-02819998 / 0-21-02819998) +30-21-02819999 / 0030-21-02819999 (021-02819999 / 0-21-02819999)