| Place | Post Code |
|---|---|
| Kotlin, Kotlin | 63-220 |
| Kurcew, Kotlin | 63-220 |
| Magnuszewice, Kotlin | 63-220 |
| Orpiszewek, Kotlin | 63-220 |
| Parzew, Kotlin | 63-220 |
| Racendów, Kotlin | 63-220 |
| Sławoszew, Kotlin | 63-220 |
| Twardów, Kotlin | 63-220 |
| Wilcza, Kotlin | 63-220 |
| Wola Książęca, Kotlin | 63-220 |
| Wysogotówek, Kotlin | 63-220 |
| Wyszki, Kotlin | 63-220 |
| All postal codes in Jarociński | |
|---|---|
| Jaraczewo, Jarociński | |
| Jarocin, Jarociński | |
| Kotlin, Jarociński | |
| Żerków, Jarociński | |