Area Code +30-21-(80000000...80009999) 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 : 80000000 Subscriber Number To : 80009999 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 : HARALAMPOS TOPOZIDIS TOY NIKOLAOY 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-(77770000...77779999) next › : +30-21-(82180000...82189999) Dialling Instructions For trunk calls: - 21 80000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 30 21 80000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 80000000 ~ 80009999 (Count: 10,000) Example: +30-21-80000000 / 0030-21-80000000 (021-80000000 / 0-21-80000000) +30-21-80000001 / 0030-21-80000001 (021-80000001 / 0-21-80000001) +30-21-80000002 / 0030-21-80000002 (021-80000002 / 0-21-80000002) +30-21-80000003 / 0030-21-80000003 (021-80000003 / 0-21-80000003) +30-21-80000004 / 0030-21-80000004 (021-80000004 / 0-21-80000004) ...+30-21-xxxxxxxx / 0030-21-xxxxxxxx (021-xxxxxxxx / 0-21-xxxxxxxx) ...+30-21-80009995 / 0030-21-80009995 (021-80009995 / 0-21-80009995) +30-21-80009996 / 0030-21-80009996 (021-80009996 / 0-21-80009996) +30-21-80009997 / 0030-21-80009997 (021-80009997 / 0-21-80009997) +30-21-80009998 / 0030-21-80009998 (021-80009998 / 0-21-80009998) +30-21-80009999 / 0030-21-80009999 (021-80009999 / 0-21-80009999)