| Locality | Post Code |
|---|---|
| Oktyabrsky, Zavolzhsky district (Октябрьский) | 155423 |
| Pezlovo, Zavolzhsky district (Пезлово) | 155436 |
| Porozovo, Zavolzhsky district (Порозово) | 155410 |
| Pridorozhny, Zavolzhsky district (Придорожный) | 155430 |
| Semenovskoe, Zavolzhsky district (Семеновское) | 155435 |
| Stepanovo, Zavolzhsky district (Степаново) | 155422 |
| Toropikha, Zavolzhsky district (Торопиха) | 155435, 155435 |
| Vatagi, Zavolzhsky district (Ватаги) | 155436 |
| Vorontsovo, Zavolzhsky district (Воронцово) | 155436 |
| Vozdvizhene, Zavolzhsky district (Воздвиженье) | 155430 |
| Vyushkovo, Zavolzhsky district (Вьюшково) | 155431 |
| Zarechny, Zavolzhsky district (Заречный) | 155421 |
| Zavolzhsk, Zavolzhsky district (Заволжск) | 153508, 153510, 153511, 155410, 155412 |
| Zhazhlevo, Zavolzhsky district (Жажлево) | 155423 |