Area Code +30-21-(77180000...77189999) 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 : 77180000 Subscriber Number To : 77189999 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 : VOICENET 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-(77170000...77179999) next › : +30-21-(77190000...77199999) Dialling Instructions For trunk calls: - 21 77180000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 30 21 77180000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 77180000 ~ 77189999 (Count: 10,000) Example: +30-21-77180000 / 0030-21-77180000 (021-77180000 / 0-21-77180000) +30-21-77180001 / 0030-21-77180001 (021-77180001 / 0-21-77180001) +30-21-77180002 / 0030-21-77180002 (021-77180002 / 0-21-77180002) +30-21-77180003 / 0030-21-77180003 (021-77180003 / 0-21-77180003) +30-21-77180004 / 0030-21-77180004 (021-77180004 / 0-21-77180004) ...+30-21-xxxxxxxx / 0030-21-xxxxxxxx (021-xxxxxxxx / 0-21-xxxxxxxx) ...+30-21-77189995 / 0030-21-77189995 (021-77189995 / 0-21-77189995) +30-21-77189996 / 0030-21-77189996 (021-77189996 / 0-21-77189996) +30-21-77189997 / 0030-21-77189997 (021-77189997 / 0-21-77189997) +30-21-77189998 / 0030-21-77189998 (021-77189998 / 0-21-77189998) +30-21-77189999 / 0030-21-77189999 (021-77189999 / 0-21-77189999)