| Place | Postal Code |
|---|---|
| Ancuty, Narew | 17-210 |
| Białki, Narew | 17-210 |
| Bruszkowszczyzna, Narew | 17-210 |
| Chrabostówka, Narew | 17-210 |
| Cimochy, Narew | 17-210 |
| Cisy, Narew | 17-210 |
| Doratynka, Narew | 17-210 |
| Gorędy, Narew | 17-210 |
| Gorodczyno, Narew | 17-210 |
| Gorodzisko, Narew | 17-210 |
| Gradoczno, Narew | 17-210 |
| Gramotne, Narew | 17-210 |
| Hajdukowszczyzna, Narew | 17-210 |
| Istok, Narew | 17-210 |
| Iwanki, Narew | 17-210 |
| Janowo, Narew | 17-210 |
| Kaczały, Narew | 17-210 |
| Kotłówka, Narew | 17-210 |
| Koweła, Narew | 17-210 |
| Koźliki, Narew | 17-210 |
| Krzywiec, Narew | 17-210 |
| Kutowa, Narew | 17-210 |
| Lachy, Narew | 17-210 |
| Łopuchówka, Narew | 17-210 |
| Łosinka, Narew | 17-210 |
| Makówka, Narew | 17-210 |