Area Code +30-21-(04540000...04549999) 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 : 04540000 Subscriber Number To : 04549999 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-(04530000...04539999) next › : +30-21-(04550000...04559999) Dialling Instructions For trunk calls: - 21 04540000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 30 21 04540000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 04540000 ~ 04549999 (Count: 10,000) Example: +30-21-04540000 / 0030-21-04540000 (021-04540000 / 0-21-04540000) +30-21-04540001 / 0030-21-04540001 (021-04540001 / 0-21-04540001) +30-21-04540002 / 0030-21-04540002 (021-04540002 / 0-21-04540002) +30-21-04540003 / 0030-21-04540003 (021-04540003 / 0-21-04540003) +30-21-04540004 / 0030-21-04540004 (021-04540004 / 0-21-04540004) ...+30-21-xxxxxxxx / 0030-21-xxxxxxxx (021-xxxxxxxx / 0-21-xxxxxxxx) ...+30-21-04549995 / 0030-21-04549995 (021-04549995 / 0-21-04549995) +30-21-04549996 / 0030-21-04549996 (021-04549996 / 0-21-04549996) +30-21-04549997 / 0030-21-04549997 (021-04549997 / 0-21-04549997) +30-21-04549998 / 0030-21-04549998 (021-04549998 / 0-21-04549998) +30-21-04549999 / 0030-21-04549999 (021-04549999 / 0-21-04549999)