Area Code +30-21-(03820000...03829999) 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 : 03820000 Subscriber Number To : 03829999 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-(03810000...03819999) next › : +30-21-(03830000...03839999) Dialling Instructions For trunk calls: - 21 03820000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 30 21 03820000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 03820000 ~ 03829999 (Count: 10,000) Example: +30-21-03820000 / 0030-21-03820000 (021-03820000 / 0-21-03820000) +30-21-03820001 / 0030-21-03820001 (021-03820001 / 0-21-03820001) +30-21-03820002 / 0030-21-03820002 (021-03820002 / 0-21-03820002) +30-21-03820003 / 0030-21-03820003 (021-03820003 / 0-21-03820003) +30-21-03820004 / 0030-21-03820004 (021-03820004 / 0-21-03820004) ...+30-21-xxxxxxxx / 0030-21-xxxxxxxx (021-xxxxxxxx / 0-21-xxxxxxxx) ...+30-21-03829995 / 0030-21-03829995 (021-03829995 / 0-21-03829995) +30-21-03829996 / 0030-21-03829996 (021-03829996 / 0-21-03829996) +30-21-03829997 / 0030-21-03829997 (021-03829997 / 0-21-03829997) +30-21-03829998 / 0030-21-03829998 (021-03829998 / 0-21-03829998) +30-21-03829999 / 0030-21-03829999 (021-03829999 / 0-21-03829999)