800s: Kythira and The Aegean
- 801 - Kythera, Antikythera
- 810 - not used
- 811 - Lesbos island except Atsiki and Eressos-Antissi
- 00 - Mytilene
- 01 - Agiassos
- 02 - Agia Paraskevi
- 03 - not used
- 04 - Mantamados
- 05 - Evergetoulas
- 06 - Gera
- 07 - Kalloni
- 08 - not used
- 09 - Petra
- 10 through 99 - not used
- 812 - Plomari
- 813 - Polichnitos
- 814 - Lemnos island including Atsiki and Eressos-Antissi
- 00 - Myrina and Nea Koutali
- 01 - Atsiki, Eressos-Antissi and Moundros
- 815 - Agios Efstratios
- 816 through 820 - not used
- 821 - Chios island
- 00 - Chios, Agios Minas, Ionia and Kampochora
- 01 - not used
- 02 - Mastichochoria
- 03 - Amani and Oinousses
- 04 - Psara
- 05 through 99 - not used
- 822 - Vrontados
- 823 through 830 - not used
- 831 - Samos islands
- 00 - Vathy or Samos
- 01 - not used
- 02 - Marathokampos
- 03 - Pythagoreio
- 832 - Karlovassi
- 833 - Icaria
- 00 - Agios Kirykos
- 01 - Fourni Korseon and Raches
- 02 - Evdilos
- 840 - Cyclades
- 01 - Ios
- 02 - Kea and Serifos
- 03 - Sifnos
- 04 - Kimolos
- 05 - Livadi
- 06 - Kynthos, Mykonos
- 08 - Amorgos
- 09 through 99 - not used
- 841 - Syros island including Ermoupoli, Ano Syros and Episkopi Posidonias
- 842 - Tinos island including Exomvourgo
- 843 - most of Naxos island, Donoussa island
- 02 - Chalkio
- 03 through 99 - not used
- 844 - Paros
- 845 - Andros
- 01 - Ydrousa
- 02 - Korthio
- 03 through 99 - not used
- 846 - Mykonos
- 847 - Santorini island including Thira
- 848 - Milos
- 840 - not used
- 850:
- 01 - Leipsoi
- 02 - Tilos
- 851: Rhodes City
- 01 - Agathonissi and Ialyssos
- 02 - Archangelos
- 03 - Afantou
- 04 - Petaloudes
- 05 - Kallithea
- 06 - Kameiros
- 07 - Lindos
- 08 - not used
- 09 - Attavyros and Notia Rodos
- 10 - Chalki
- 11 - Megisti
- 852 - Kalymnos
- 853 - Dikaio
- 02 - Irakleides
- 03 - Nisyros
- 854 - Leros
- 855 - Patmos
- 856 - Symi
- 857 - Kassos and Olympos
- 858 - Karpathos
- 859 - Astypalaia
- 860 through 899 - not used
- The 900s are omitted.
Read more about this topic: List Of Postal Codes In Greece