Area Code +30-21-(04520000...04529999) 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 : 04520000 Subscriber Number To : 04529999 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-(04510000...04519999) next › : +30-21-(04530000...04539999) Dialling Instructions For trunk calls: - 21 04520000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 30 21 04520000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 04520000 ~ 04529999 (Count: 10,000) Example: +30-21-04520000 / 0030-21-04520000 (021-04520000 / 0-21-04520000) +30-21-04520001 / 0030-21-04520001 (021-04520001 / 0-21-04520001) +30-21-04520002 / 0030-21-04520002 (021-04520002 / 0-21-04520002) +30-21-04520003 / 0030-21-04520003 (021-04520003 / 0-21-04520003) +30-21-04520004 / 0030-21-04520004 (021-04520004 / 0-21-04520004) ...+30-21-xxxxxxxx / 0030-21-xxxxxxxx (021-xxxxxxxx / 0-21-xxxxxxxx) ...+30-21-04529995 / 0030-21-04529995 (021-04529995 / 0-21-04529995) +30-21-04529996 / 0030-21-04529996 (021-04529996 / 0-21-04529996) +30-21-04529997 / 0030-21-04529997 (021-04529997 / 0-21-04529997) +30-21-04529998 / 0030-21-04529998 (021-04529998 / 0-21-04529998) +30-21-04529999 / 0030-21-04529999 (021-04529999 / 0-21-04529999)