Area Code +30-21-(16870000...16879999) 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 : 16870000 Subscriber Number To : 16879999 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-(16670000...16679999) next › : +30-21-(17000000...17009999) Dialling Instructions For trunk calls: - 21 16870000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 30 21 16870000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 16870000 ~ 16879999 (Count: 10,000) Example: +30-21-16870000 / 0030-21-16870000 (021-16870000 / 0-21-16870000) +30-21-16870001 / 0030-21-16870001 (021-16870001 / 0-21-16870001) +30-21-16870002 / 0030-21-16870002 (021-16870002 / 0-21-16870002) +30-21-16870003 / 0030-21-16870003 (021-16870003 / 0-21-16870003) +30-21-16870004 / 0030-21-16870004 (021-16870004 / 0-21-16870004) ...+30-21-xxxxxxxx / 0030-21-xxxxxxxx (021-xxxxxxxx / 0-21-xxxxxxxx) ...+30-21-16879995 / 0030-21-16879995 (021-16879995 / 0-21-16879995) +30-21-16879996 / 0030-21-16879996 (021-16879996 / 0-21-16879996) +30-21-16879997 / 0030-21-16879997 (021-16879997 / 0-21-16879997) +30-21-16879998 / 0030-21-16879998 (021-16879998 / 0-21-16879998) +30-21-16879999 / 0030-21-16879999 (021-16879999 / 0-21-16879999)