Area Code +30-21-(05120000...05129999) 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 : 05120000 Subscriber Number To : 05129999 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-(05110000...05119999) next › : +30-21-(05130000...05139999) Dialling Instructions For trunk calls: - 21 05120000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 30 21 05120000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 05120000 ~ 05129999 (Count: 10,000) Example: +30-21-05120000 / 0030-21-05120000 (021-05120000 / 0-21-05120000) +30-21-05120001 / 0030-21-05120001 (021-05120001 / 0-21-05120001) +30-21-05120002 / 0030-21-05120002 (021-05120002 / 0-21-05120002) +30-21-05120003 / 0030-21-05120003 (021-05120003 / 0-21-05120003) +30-21-05120004 / 0030-21-05120004 (021-05120004 / 0-21-05120004) ...+30-21-xxxxxxxx / 0030-21-xxxxxxxx (021-xxxxxxxx / 0-21-xxxxxxxx) ...+30-21-05129995 / 0030-21-05129995 (021-05129995 / 0-21-05129995) +30-21-05129996 / 0030-21-05129996 (021-05129996 / 0-21-05129996) +30-21-05129997 / 0030-21-05129997 (021-05129997 / 0-21-05129997) +30-21-05129998 / 0030-21-05129998 (021-05129998 / 0-21-05129998) +30-21-05129999 / 0030-21-05129999 (021-05129999 / 0-21-05129999)