| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Căşeiu, Căşeiu | 407155 |
| Postal/ZIP Codes in Comorâţa, Căşeiu | 407156 |
| Postal/ZIP Codes in Coplean, Căşeiu | 407157 |
| Postal/ZIP Codes in Custura, Căşeiu | 407158 |
| Postal/ZIP Codes in Gârbău Dejului, Căşeiu | 407159 |
| Postal/ZIP Codes in Guga, Căşeiu | 407161 |
| Postal/ZIP Codes in Leurda, Căşeiu | 407162 |
| Postal/ZIP Codes in Rugăşeşti, Căşeiu | 407163 |
| Postal/ZIP Codes in Sălătruc, Căşeiu | 407164 |
| Postal/ZIP Codes in Urişor, Căşeiu | 407166 |