Area Code +30-21-(11820000...11829999) 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 : 11820000 Subscriber Number To : 11829999 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 : WIND HELLAS TELECOMMUNICATIONS SA 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-(11810000...11819999) next › : +30-21-(11830000...11839999) Dialling Instructions For trunk calls: - 21 11820000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 30 21 11820000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 11820000 ~ 11829999 (Count: 10,000) Example: +30-21-11820000 / 0030-21-11820000 (021-11820000 / 0-21-11820000) +30-21-11820001 / 0030-21-11820001 (021-11820001 / 0-21-11820001) +30-21-11820002 / 0030-21-11820002 (021-11820002 / 0-21-11820002) +30-21-11820003 / 0030-21-11820003 (021-11820003 / 0-21-11820003) +30-21-11820004 / 0030-21-11820004 (021-11820004 / 0-21-11820004) ...+30-21-xxxxxxxx / 0030-21-xxxxxxxx (021-xxxxxxxx / 0-21-xxxxxxxx) ...+30-21-11829995 / 0030-21-11829995 (021-11829995 / 0-21-11829995) +30-21-11829996 / 0030-21-11829996 (021-11829996 / 0-21-11829996) +30-21-11829997 / 0030-21-11829997 (021-11829997 / 0-21-11829997) +30-21-11829998 / 0030-21-11829998 (021-11829998 / 0-21-11829998) +30-21-11829999 / 0030-21-11829999 (021-11829999 / 0-21-11829999)