Area Code +30-21-(05270000...05279999) 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 : 05270000 Subscriber Number To : 05279999 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-(05260000...05269999) next › : +30-21-(05280000...05289999) Dialling Instructions For trunk calls: - 21 05270000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 30 21 05270000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 05270000 ~ 05279999 (Count: 10,000) Example: +30-21-05270000 / 0030-21-05270000 (021-05270000 / 0-21-05270000) +30-21-05270001 / 0030-21-05270001 (021-05270001 / 0-21-05270001) +30-21-05270002 / 0030-21-05270002 (021-05270002 / 0-21-05270002) +30-21-05270003 / 0030-21-05270003 (021-05270003 / 0-21-05270003) +30-21-05270004 / 0030-21-05270004 (021-05270004 / 0-21-05270004) ...+30-21-xxxxxxxx / 0030-21-xxxxxxxx (021-xxxxxxxx / 0-21-xxxxxxxx) ...+30-21-05279995 / 0030-21-05279995 (021-05279995 / 0-21-05279995) +30-21-05279996 / 0030-21-05279996 (021-05279996 / 0-21-05279996) +30-21-05279997 / 0030-21-05279997 (021-05279997 / 0-21-05279997) +30-21-05279998 / 0030-21-05279998 (021-05279998 / 0-21-05279998) +30-21-05279999 / 0030-21-05279999 (021-05279999 / 0-21-05279999)