Area Code +30-21-(12700000...12709999) 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 : 12700000 Subscriber Number To : 12709999 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 : HELLAS ON LINE 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-(12290000...12299999) next › : +30-21-(13000000...13009999) Dialling Instructions For trunk calls: - 21 12700000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 30 21 12700000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 12700000 ~ 12709999 (Count: 10,000) Example: +30-21-12700000 / 0030-21-12700000 (021-12700000 / 0-21-12700000) +30-21-12700001 / 0030-21-12700001 (021-12700001 / 0-21-12700001) +30-21-12700002 / 0030-21-12700002 (021-12700002 / 0-21-12700002) +30-21-12700003 / 0030-21-12700003 (021-12700003 / 0-21-12700003) +30-21-12700004 / 0030-21-12700004 (021-12700004 / 0-21-12700004) ...+30-21-xxxxxxxx / 0030-21-xxxxxxxx (021-xxxxxxxx / 0-21-xxxxxxxx) ...+30-21-12709995 / 0030-21-12709995 (021-12709995 / 0-21-12709995) +30-21-12709996 / 0030-21-12709996 (021-12709996 / 0-21-12709996) +30-21-12709997 / 0030-21-12709997 (021-12709997 / 0-21-12709997) +30-21-12709998 / 0030-21-12709998 (021-12709998 / 0-21-12709998) +30-21-12709999 / 0030-21-12709999 (021-12709999 / 0-21-12709999)