| Locality | Post Code |
|---|---|
| Cape Runaway, Opotiki | 3199 |
| Hawai, Opotiki | 3199, 3199, 3197 |
| Kutarere, Opotiki | 3198 |
| Omaio, Opotiki | 3199 |
| Opotiki, Opotiki | 3122, 3197, 3198 |
| Otara, Opotiki | 3122, 3197, 3198 |
| Te Kaha, Opotiki | 3199 |
| Tirohanga, Opotiki | 3197 |
| Toatoa, Opotiki | 3197 |
| Torere, Opotiki | 3197 |
| Waihau Bay, Opotiki | 3199 |
| Waioeka, Opotiki | 3197 |
| Waiotahe Valley, Opotiki | 3198 |