| Locality | Post Code |
|---|---|
| Orphir, Orkney Islands | KW16, KW17 |
| Papa Westray, Orkney Islands | KW17 2BU |
| Quoyloo, Orkney Islands | KW16 |
| Rendall, Orkney Islands | KW17 |
| Rousay, Orkney Islands | KW17 |
| Saint Margarets Hope, Orkney Islands | KW17 |
| Saint Ola, Orkney Islands | KW15 |
| Sanday, Orkney Islands | KW17 |
| Sandwick, Orkney Islands | KW16 |
| Stenness, Orkney Islands | KW16 |
| Stromness, Orkney Islands | KW16 |
| Stronsay, Orkney Islands | KW17 |
| Swannay, Orkney Islands | KW17 |
| Tankerness, Orkney Islands | KW17 |
| Toab, Orkney Islands | KW17 |
| Twatt, Orkney Islands | KW17 |
| Westray, Orkney Islands | KW17 |
| Wyre, Orkney Islands | KW17 2QA |