Area Code +30-21-(17250000...17259999) 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 : 17250000 Subscriber Number To : 17259999 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 : ON TELECOMS SA 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-(17200000...17209999) next › : +30-21-(17300000...17309999) Dialling Instructions For trunk calls: - 21 17250000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 30 21 17250000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 17250000 ~ 17259999 (Count: 10,000) Example: +30-21-17250000 / 0030-21-17250000 (021-17250000 / 0-21-17250000) +30-21-17250001 / 0030-21-17250001 (021-17250001 / 0-21-17250001) +30-21-17250002 / 0030-21-17250002 (021-17250002 / 0-21-17250002) +30-21-17250003 / 0030-21-17250003 (021-17250003 / 0-21-17250003) +30-21-17250004 / 0030-21-17250004 (021-17250004 / 0-21-17250004) ...+30-21-xxxxxxxx / 0030-21-xxxxxxxx (021-xxxxxxxx / 0-21-xxxxxxxx) ...+30-21-17259995 / 0030-21-17259995 (021-17259995 / 0-21-17259995) +30-21-17259996 / 0030-21-17259996 (021-17259996 / 0-21-17259996) +30-21-17259997 / 0030-21-17259997 (021-17259997 / 0-21-17259997) +30-21-17259998 / 0030-21-17259998 (021-17259998 / 0-21-17259998) +30-21-17259999 / 0030-21-17259999 (021-17259999 / 0-21-17259999)