Area Code +30-21-(03420000...03429999) 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 : 03420000 Subscriber Number To : 03429999 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-(03410000...03419999) next › : +30-21-(03430000...03439999) Dialling Instructions For trunk calls: - 21 03420000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 30 21 03420000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 03420000 ~ 03429999 (Count: 10,000) Example: +30-21-03420000 / 0030-21-03420000 (021-03420000 / 0-21-03420000) +30-21-03420001 / 0030-21-03420001 (021-03420001 / 0-21-03420001) +30-21-03420002 / 0030-21-03420002 (021-03420002 / 0-21-03420002) +30-21-03420003 / 0030-21-03420003 (021-03420003 / 0-21-03420003) +30-21-03420004 / 0030-21-03420004 (021-03420004 / 0-21-03420004) ...+30-21-xxxxxxxx / 0030-21-xxxxxxxx (021-xxxxxxxx / 0-21-xxxxxxxx) ...+30-21-03429995 / 0030-21-03429995 (021-03429995 / 0-21-03429995) +30-21-03429996 / 0030-21-03429996 (021-03429996 / 0-21-03429996) +30-21-03429997 / 0030-21-03429997 (021-03429997 / 0-21-03429997) +30-21-03429998 / 0030-21-03429998 (021-03429998 / 0-21-03429998) +30-21-03429999 / 0030-21-03429999 (021-03429999 / 0-21-03429999)