Districts in the KW area
| District | Main place | Local authority | Sectors | Postcodes |
|---|---|---|---|---|
| KW1 | Wick | Highland | 2 | 356 |
| KW2 | Whaligoe | Highland | 1 | 2 |
| KW3 | Lybster | Highland | 1 | 37 |
| KW5 | Latheronwheel | Highland | 1 | 12 |
| KW6 | Dunbeath | Highland | 1 | 18 |
| KW7 | Berriedale | Highland | 1 | 5 |
| KW8 | East Helmsdale | Highland | 1 | 38 |
| KW9 | Brora | Highland | 1 | 72 |
| KW10 | Golspie | Highland | 1 | 63 |
| KW11 | Badanloch | Highland | 1 | 6 |
| KW12 | Halkirk | Highland | 1 | 48 |
| KW13 | — | Highland | 1 | 3 |
| KW14 | Thurso | Highland | 3 | 457 |
| KW15 | Kirkwall | Orkney Islands | 2 | 364 |
| KW16 | Stromness | Orkney Islands | 1 | 141 |
| KW17 | Finstown | Orkney Islands | 1 | 231 |