| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Spathi Kea, Kea (Σπαθι Κεα) | 840 02 |
| Postal/ZIP Codes in Stavroudaki Kea, Kea (Σταβρουδακι Κεα) | 840 02 |
| Postal/ZIP Codes in Vourkari Kea, Kea (Βουρκαρι Κεα) | 840 02 |
| Postal Codes in Kea-Kythnos | |
|---|---|
| Postal/ZIP Codes in Kea, Kea-Kythnos (Κέα) | |
| Postal/ZIP Codes in Kythnos, Kea-Kythnos (Κύθνος) | |