| Code | Name | Region |
|---|---|---|
| NOHYE | Hyen | 14 |
| NOHYL | Hyllestad | 14 |
| NOIBE | Ibestad | 19 |
| NOIGE | Igeroy | 18 |
| NOIGL | Iglandsvik | 14 |
| NOIKR | Ikornnes | 15 |
| NOIND | Inderoy | 17 |
| NORRN | Indre Arna | 12 |
| NOINB | Ingeberg | 4 |
| NOISY | Ingoy | 20 |
| NOHLN | Holen | 2 |
| NOHLA | Holla | 8 |
| NOHOA | Holla | 16 |
| NOHLL | Hollen | 10 |
| NOHMF | Holmefjord | 12 |
| NOHOL | Holmestrand | 7 |
| NOHOK | Hommelvik | 16 |
| NOHSK | Hommersak | 11 |
| NOHFS | Honefoss | 6 |
| NOHVG | Honningsvag | 20 |
| NOHRV | Hordvik | 12 |
| NOHOO | Horsoy | 12 |
| NOHOR | Horten | 7 |
| NOHOS | Hov | 5 |
| NOHSL | Hovland | 12 |
| NOHYR | Hoyanger | 14 |
| NOHLB | Hoylandsbygda | 12 |
| NOHHA | Hufthammar | 12 |
| NOHMV | Hummelvik | 20 |
| NOHUD | Hundeidvika | 15 |
| NOHSD | Hemsedal | 6 |
| NOHEN | Henningsvar | 18 |
| NOHED | Herdla | 12 |
| NOHEF | Herfjord | 16 |
| NOHER | Hermansverk | 14 |
| NOHEY | Heroy | 15 |
| NOHRO | Heroy | 18 |
| NOHRY | Heroya | 8 |
| NOHET | Heroysundet | 12 |
| NOHRR | Herre | 8 |
| NOHRE | Herre-bamble | 8 |
| NOHES | Hestvika | 16 |
| NOHIT | Hitra | 16 |
| NOHJL | Hjelmeland | 11 |
| NOHJJ | Hjelset | 15 |
| NOHJE | Hjerkinn | 5 |
| NOHJO | Hjorungavag | 15 |
| NOHOF | Hof | 7 |
| NOHOG | Hogset | 18 |
| NOHOD | Hokksund | 6 |