Area Code +30-21-(03690000...03699999) 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 : 03690000 Subscriber Number To : 03699999 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-(03680000...03689999) next › : +30-21-(03700000...03709999) Dialling Instructions For trunk calls: - 21 03690000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 30 21 03690000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 03690000 ~ 03699999 (Count: 10,000) Example: +30-21-03690000 / 0030-21-03690000 (021-03690000 / 0-21-03690000) +30-21-03690001 / 0030-21-03690001 (021-03690001 / 0-21-03690001) +30-21-03690002 / 0030-21-03690002 (021-03690002 / 0-21-03690002) +30-21-03690003 / 0030-21-03690003 (021-03690003 / 0-21-03690003) +30-21-03690004 / 0030-21-03690004 (021-03690004 / 0-21-03690004) ...+30-21-xxxxxxxx / 0030-21-xxxxxxxx (021-xxxxxxxx / 0-21-xxxxxxxx) ...+30-21-03699995 / 0030-21-03699995 (021-03699995 / 0-21-03699995) +30-21-03699996 / 0030-21-03699996 (021-03699996 / 0-21-03699996) +30-21-03699997 / 0030-21-03699997 (021-03699997 / 0-21-03699997) +30-21-03699998 / 0030-21-03699998 (021-03699998 / 0-21-03699998) +30-21-03699999 / 0030-21-03699999 (021-03699999 / 0-21-03699999)