Area Code +30-21-(10120000...10129999) 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 : 10120000 Subscriber Number To : 10129999 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 : FORTHNET 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-(10110000...10119999) next › : +30-21-(10130000...10139999) Dialling Instructions For trunk calls: - 21 10120000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 30 21 10120000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 10120000 ~ 10129999 (Count: 10,000) Example: +30-21-10120000 / 0030-21-10120000 (021-10120000 / 0-21-10120000) +30-21-10120001 / 0030-21-10120001 (021-10120001 / 0-21-10120001) +30-21-10120002 / 0030-21-10120002 (021-10120002 / 0-21-10120002) +30-21-10120003 / 0030-21-10120003 (021-10120003 / 0-21-10120003) +30-21-10120004 / 0030-21-10120004 (021-10120004 / 0-21-10120004) ...+30-21-xxxxxxxx / 0030-21-xxxxxxxx (021-xxxxxxxx / 0-21-xxxxxxxx) ...+30-21-10129995 / 0030-21-10129995 (021-10129995 / 0-21-10129995) +30-21-10129996 / 0030-21-10129996 (021-10129996 / 0-21-10129996) +30-21-10129997 / 0030-21-10129997 (021-10129997 / 0-21-10129997) +30-21-10129998 / 0030-21-10129998 (021-10129998 / 0-21-10129998) +30-21-10129999 / 0030-21-10129999 (021-10129999 / 0-21-10129999)