KW - Kirkwall
The postal area KW (Kirkwall) comprises of the following post towns; these towns should be written in capital letters when used in addresses.
Postal Districts within KW - Kirkwall
| Country | Post Town | Postal District |
| Scotland | Wick | KW1 KW2 |
| Lybster | KW3 | |
| Latheron | KW5 | |
| Dunbeath | KW6 | |
| Berridale | KW7 | |
| Helmsdale | KW8 | |
| Brora | KW9 | |
| Golspie | KW10 | |
| Kinbrace | KW11 | |
| Halkirk | KW12 | |
| Forsinard | KW13 | |
| Stromness Thurso |
KW14 | |
| Kirkwall | KW15 | |
| Orkney Islands | KW16 KW17 |
