Area Code +30-21-(77040000...77049999) 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 : 77040000 Subscriber Number To : 77049999 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-(77030000...77039999) next › : +30-21-(77050000...77059999) Dialling Instructions For trunk calls: - 21 77040000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 30 21 77040000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 77040000 ~ 77049999 (Count: 10,000) Example: +30-21-77040000 / 0030-21-77040000 (021-77040000 / 0-21-77040000) +30-21-77040001 / 0030-21-77040001 (021-77040001 / 0-21-77040001) +30-21-77040002 / 0030-21-77040002 (021-77040002 / 0-21-77040002) +30-21-77040003 / 0030-21-77040003 (021-77040003 / 0-21-77040003) +30-21-77040004 / 0030-21-77040004 (021-77040004 / 0-21-77040004) ...+30-21-xxxxxxxx / 0030-21-xxxxxxxx (021-xxxxxxxx / 0-21-xxxxxxxx) ...+30-21-77049995 / 0030-21-77049995 (021-77049995 / 0-21-77049995) +30-21-77049996 / 0030-21-77049996 (021-77049996 / 0-21-77049996) +30-21-77049997 / 0030-21-77049997 (021-77049997 / 0-21-77049997) +30-21-77049998 / 0030-21-77049998 (021-77049998 / 0-21-77049998) +30-21-77049999 / 0030-21-77049999 (021-77049999 / 0-21-77049999)