| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Banne, Trieste | 34151 |
| Postal/ZIP Codes in Basovizza, Trieste | 34149 |
| Postal/ZIP Codes in Contovello, Trieste | 34136, 34151 |
| Postal/ZIP Codes in Grignano, Trieste | 34151 |
| Postal/ZIP Codes in Gropada, Trieste | 34149, 34151 |
| Postal/ZIP Codes in Longera, Trieste | 34151 |
| Postal/ZIP Codes in Opicina, Trieste | 34151 |
| Postal/ZIP Codes in Padriciano, Trieste | 34149, 34151 |
| Postal/ZIP Codes in Prosecco, Trieste | 34151 |
| Postal/ZIP Codes in Prosecco-Contovello, Trieste | 34151 |
| Postal/ZIP Codes in Santa Croce, Trieste | 34151 |
| Postal/ZIP Codes in Trebiciano, Trieste | 34149, 34151 |
| Postal/ZIP Codes in Trieste, Trieste | 34121, 34122, 34123, 34124, 34125, 34126, 34127, 34128, 34129, 34131, 34132, 34133, 34134, 34135, 34136, 34137, 34138, 34139, 34141, 34142, 34143, 34144, 34145, 34146, 34147, 34148, 34149, 34151 |
| Postal/ZIP Codes in Villa Opicina, Trieste | 34151 |