Area Code +30-21-(17150000...17159999) 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 : 17150000 Subscriber Number To : 17159999 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 : ON TELECOMS SA 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-(17100000...17109999) next › : +30-21-(17200000...17209999) Dialling Instructions For trunk calls: - 21 17150000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 30 21 17150000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 17150000 ~ 17159999 (Count: 10,000) Example: +30-21-17150000 / 0030-21-17150000 (021-17150000 / 0-21-17150000) +30-21-17150001 / 0030-21-17150001 (021-17150001 / 0-21-17150001) +30-21-17150002 / 0030-21-17150002 (021-17150002 / 0-21-17150002) +30-21-17150003 / 0030-21-17150003 (021-17150003 / 0-21-17150003) +30-21-17150004 / 0030-21-17150004 (021-17150004 / 0-21-17150004) ...+30-21-xxxxxxxx / 0030-21-xxxxxxxx (021-xxxxxxxx / 0-21-xxxxxxxx) ...+30-21-17159995 / 0030-21-17159995 (021-17159995 / 0-21-17159995) +30-21-17159996 / 0030-21-17159996 (021-17159996 / 0-21-17159996) +30-21-17159997 / 0030-21-17159997 (021-17159997 / 0-21-17159997) +30-21-17159998 / 0030-21-17159998 (021-17159998 / 0-21-17159998) +30-21-17159999 / 0030-21-17159999 (021-17159999 / 0-21-17159999)