| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Stare Bożejewo, Wizna | 18-430 |
| Postal/ZIP Codes in Sulin-Strumiłowo, Wizna | 18-430 |
| Postal/ZIP Codes in Wierciszewo, Wizna | 18-430 |
| Postal/ZIP Codes in Witkowo, Wizna | 18-430 |
| Postal/ZIP Codes in Wizna, Wizna | 18-430 |
| Postal/ZIP Codes in Wizna Kolonia, Wizna | 18-430 |
| Postal/ZIP Codes in Włochówka, Wizna | 18-430 |
| Postal/ZIP Codes in Zanklewo, Wizna | 18-430 |