| Place | Post Code |
|---|---|
| Pęsy-Lipno, Rutki | 18-312 |
| Pruszki Wielkie, Rutki | 18-400 |
| Rutki-Jatki, Rutki | 18-312 |
| Rutki-Kossaki, Rutki | 18-312 |
| Rutki-Nowiny, Rutki | 18-312 |
| Rutki-Tartak Nowy, Rutki | 18-312 |
| Śliwowo-Łopienite, Rutki | 18-312 |
| Stare Zalesie, Rutki | 18-312 |
| Stare Zambrzyce, Rutki | 18-312 |
| Świątki-Wiercice, Rutki | 18-312 |
| Szlasy-Lipno, Rutki | 18-312 |
| Szlasy-Łopienite, Rutki | 18-312 |
| Szlasy-Mieszki, Rutki | 18-312 |
| Walochy-Mońki, Rutki | 18-312 |
| Wybrany, Rutki | 18-312 |
| Zambrzyce-Jankowo, Rutki | 18-312 |
| Zambrzyce-Kapusty, Rutki | 18-312 |
| Zambrzyce-Króle, Rutki | 18-312 |
| Zambrzyce-Plewki, Rutki | 18-312 |
| All postal codes in Zambrowski | |
|---|---|
| Kołaki Kościelne, Zambrowski | |
| Rutki, Zambrowski | |
| Szumowo, Zambrowski | |
| Zambrów, Zambrowski | |
| Zambrów (Gmina), Zambrowski | |