Districts in the IV area
| District | Main place | Local authority | Sectors | Postcodes |
|---|---|---|---|---|
| IV1 | Inverness | Highland | 3 | 285 |
| IV2 | Inverness | Highland | 6 | 1,267 |
| IV3 | Inverness | Highland | 2 | 466 |
| IV4 | Beauly | Highland | 1 | 130 |
| IV5 | Kirkhill | Highland | 1 | 42 |
| IV6 | Muir of Ord | Highland | 1 | 128 |
| IV7 | Conon Bridge | Highland | 1 | 156 |
| IV8 | Munlochy | Highland | 1 | 33 |
| IV9 | Avoch | Highland | 1 | 47 |
| IV10 | Fortrose | Highland | 1 | 83 |
| IV11 | Cromarty | Highland | 1 | 45 |
| IV12 | Nairn | Highland | 2 | 437 |
| IV13 | Tomatin | Highland | 1 | 20 |
| IV14 | Strathpeffer | Highland | 1 | 75 |
| IV15 | Dingwall | Highland | 2 | 220 |
| IV16 | Evanton | Highland | 1 | 56 |
| IV17 | Alness | Highland | 1 | 182 |
| IV18 | Invergordon | Highland | 1 | 199 |
| IV19 | Tain | Highland | 2 | 198 |
| IV20 | Balintore | Highland | 1 | 118 |
| IV21 | Gairloch | Highland | 1 | 49 |
| IV22 | Poolewe | Highland | 1 | 78 |
| IV23 | Leckmelm | Highland | 1 | 50 |
| IV24 | Bonar Bridge | Highland | 1 | 45 |
| IV25 | Dornoch | Highland | 1 | 145 |
| IV26 | Ullapool | Highland | 1 | 73 |
| IV27 | Lairg | Highland | 2 | 191 |
| IV28 | Pittentrail | Highland | 1 | 22 |
| IV30 | Elgin | Moray | 6 | 1,099 |
| IV31 | Lossiemouth | Moray | 1 | 267 |
| IV32 | Fochabers | Moray | 1 | 173 |
| IV36 | Forres | Moray | 4 | 482 |
| IV40 | Kyle of Lochalsh | Highland | 1 | 124 |
| IV41 | Kyleakin | Highland | 1 | 13 |
| IV42 | Ashaig | Highland | 1 | 7 |
| IV43 | Camascross | Highland | 1 | 10 |
| IV44 | Ferindonald | Highland | 1 | 10 |
| IV45 | Ardvasar | Highland | 1 | 12 |
| IV46 | Achnacloich | Highland | 1 | 3 |
| IV47 | Carbost | Highland | 1 | 19 |
| IV48 | — | Highland | 1 | 2 |
| IV49 | Broadford | Highland | 1 | 45 |
| IV51 | Portree | Highland | 1 | 234 |
| IV52 | Plockton | Highland | 1 | 20 |
| IV53 | Achmore | Highland | 1 | 11 |
| IV54 | Lochcarron | Highland | 1 | 60 |
| IV55 | Glen Dale | Highland | 1 | 56 |
| IV56 | Struan | Highland | 1 | 14 |
| IV63 | Drumnadrochit | Highland | 2 | 69 |
| IV99 | Inverness | Highland | 1 | 5 |