| Locality | Post Code |
|---|---|
| Arisaig, Highland | PH39 |
| Arivegaig, Highland | PH36 4LE |
| Armadale, Highland | KW14 7SA |
| Arnisdale, Highland | IV40 8JJ |
| Arnish, Highland | IV40 8PF |
| Arnisort, Highland | IV51 9PS |
| Arrina, Highland | IV54 8XU |
| Artafallie, Highland | IV1 |
| Ashaig, Highland | IV42 8PZ |
| Auchindrean, Highland | IV23 2RY |
| Auchterawe, Highland | PH32 4BT |
| Auckengill, Highland | KW1 |
| Auldearn, Highland | IV12 |
| Aultachruine, Highland | IV40 8HN |
| Aultbea, Highland | IV22 |
| Aultgrishan, Highland | IV21 |
| Aviemore, Highland | PH22 |
| Avoch, Highland | IV9 |
| Badachro, Highland | IV21 |
| Badbea, Highland | IV23 2QX |
| Badcall, Highland | IV27 |
| Badcaul, Highland | IV23 2QY |
| Badenscallie, Highland | IV26 2YJ |
| Badluarach, Highland | IV23 2RA |
| Badralloch, Highland | IV23 2QP |
| Balblair, Highland | IV7 |