| Locality | Post Code |
|---|---|
| Slavyansky, Mostovsky district (Славянский) | 352594 |
| Solenoe, Mostovsky district (Соленое) | 352568 |
| Svobodny Mir, Mostovsky district (Свободный Мир) | 352561 |
| Tsentralny, Mostovsky district (Центральный) | 352561, 352561, 352561 |
| Ulyanovo, Mostovsky district (Ульяново) | 352596 |
| Unarokovo, Mostovsky district (Унароково) | 352595 |
| Uzlovoy, Mostovsky district (Узловой) | 352590 |
| Vesely, Mostovsky district (Веселый) | 352557 |
| Vostochny, Mostovsky district (Восточный) | 352550 |
| Vysoky, Mostovsky district (Высокий) | 352557 |
| Yaroslavskaya, Mostovsky district (Ярославская) | 352580 |
| Zarechnoe, Mostovsky district (Заречное) | 352560 |