Area Code +30-21-(08770000...08779999) 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 : 08770000 Subscriber Number To : 08779999 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-(08760000...08769999) next › : +30-21-(08780000...08789999) Dialling Instructions For trunk calls: - 21 08770000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 30 21 08770000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 08770000 ~ 08779999 (Count: 10,000) Example: +30-21-08770000 / 0030-21-08770000 (021-08770000 / 0-21-08770000) +30-21-08770001 / 0030-21-08770001 (021-08770001 / 0-21-08770001) +30-21-08770002 / 0030-21-08770002 (021-08770002 / 0-21-08770002) +30-21-08770003 / 0030-21-08770003 (021-08770003 / 0-21-08770003) +30-21-08770004 / 0030-21-08770004 (021-08770004 / 0-21-08770004) ...+30-21-xxxxxxxx / 0030-21-xxxxxxxx (021-xxxxxxxx / 0-21-xxxxxxxx) ...+30-21-08779995 / 0030-21-08779995 (021-08779995 / 0-21-08779995) +30-21-08779996 / 0030-21-08779996 (021-08779996 / 0-21-08779996) +30-21-08779997 / 0030-21-08779997 (021-08779997 / 0-21-08779997) +30-21-08779998 / 0030-21-08779998 (021-08779998 / 0-21-08779998) +30-21-08779999 / 0030-21-08779999 (021-08779999 / 0-21-08779999)