Area Code +30-21-(99990000...99999999) 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 : 99990000 Subscriber Number To : 99999999 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 : VODAFONE- PANAFON 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-(69390000...69399999) next › : +30-2221-(121000...121999) Dialling Instructions For trunk calls: - 21 99990000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 30 21 99990000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 99990000 ~ 99999999 (Count: 10,000) Example: +30-21-99990000 / 0030-21-99990000 (021-99990000 / 0-21-99990000) +30-21-99990001 / 0030-21-99990001 (021-99990001 / 0-21-99990001) +30-21-99990002 / 0030-21-99990002 (021-99990002 / 0-21-99990002) +30-21-99990003 / 0030-21-99990003 (021-99990003 / 0-21-99990003) +30-21-99990004 / 0030-21-99990004 (021-99990004 / 0-21-99990004) ...+30-21-xxxxxxxx / 0030-21-xxxxxxxx (021-xxxxxxxx / 0-21-xxxxxxxx) ...+30-21-99999995 / 0030-21-99999995 (021-99999995 / 0-21-99999995) +30-21-99999996 / 0030-21-99999996 (021-99999996 / 0-21-99999996) +30-21-99999997 / 0030-21-99999997 (021-99999997 / 0-21-99999997) +30-21-99999998 / 0030-21-99999998 (021-99999998 / 0-21-99999998) +30-21-99999999 / 0030-21-99999999 (021-99999999 / 0-21-99999999)