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