Area Code +30-21-(77350000...77359999) 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 : 77350000 Subscriber Number To : 77359999 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 : VOICENET 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-(77340000...77349999) next › : +30-21-(77360000...77369999) Dialling Instructions For trunk calls: - 21 77350000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 30 21 77350000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 77350000 ~ 77359999 (Count: 10,000) Example: +30-21-77350000 / 0030-21-77350000 (021-77350000 / 0-21-77350000) +30-21-77350001 / 0030-21-77350001 (021-77350001 / 0-21-77350001) +30-21-77350002 / 0030-21-77350002 (021-77350002 / 0-21-77350002) +30-21-77350003 / 0030-21-77350003 (021-77350003 / 0-21-77350003) +30-21-77350004 / 0030-21-77350004 (021-77350004 / 0-21-77350004) ...+30-21-xxxxxxxx / 0030-21-xxxxxxxx (021-xxxxxxxx / 0-21-xxxxxxxx) ...+30-21-77359995 / 0030-21-77359995 (021-77359995 / 0-21-77359995) +30-21-77359996 / 0030-21-77359996 (021-77359996 / 0-21-77359996) +30-21-77359997 / 0030-21-77359997 (021-77359997 / 0-21-77359997) +30-21-77359998 / 0030-21-77359998 (021-77359998 / 0-21-77359998) +30-21-77359999 / 0030-21-77359999 (021-77359999 / 0-21-77359999)