Area Code +30-21-(77340000...77349999) 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 : 77340000 Subscriber Number To : 77349999 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-(77330000...77339999) next › : +30-21-(77350000...77359999) Dialling Instructions For trunk calls: - 21 77340000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 30 21 77340000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 77340000 ~ 77349999 (Count: 10,000) Example: +30-21-77340000 / 0030-21-77340000 (021-77340000 / 0-21-77340000) +30-21-77340001 / 0030-21-77340001 (021-77340001 / 0-21-77340001) +30-21-77340002 / 0030-21-77340002 (021-77340002 / 0-21-77340002) +30-21-77340003 / 0030-21-77340003 (021-77340003 / 0-21-77340003) +30-21-77340004 / 0030-21-77340004 (021-77340004 / 0-21-77340004) ...+30-21-xxxxxxxx / 0030-21-xxxxxxxx (021-xxxxxxxx / 0-21-xxxxxxxx) ...+30-21-77349995 / 0030-21-77349995 (021-77349995 / 0-21-77349995) +30-21-77349996 / 0030-21-77349996 (021-77349996 / 0-21-77349996) +30-21-77349997 / 0030-21-77349997 (021-77349997 / 0-21-77349997) +30-21-77349998 / 0030-21-77349998 (021-77349998 / 0-21-77349998) +30-21-77349999 / 0030-21-77349999 (021-77349999 / 0-21-77349999)