| Place | Post Code |
|---|---|
| Centeral Ward, Robertsport | None |
| Fanti, Robertsport | None |
| Gbassalor, Robertsport | None |
| Gombo, Robertsport | None |
| Kru Town, Robertsport | None |
| Lundija, Robertsport | None |
| Robertsport, Robertsport | None |
| Sayon, Robertsport | None |
| Up Towm, Robertsport | None |
| All postal codes in Commonwealth C | |
|---|---|
| Lower Tombey, Commonwealth C | |
| Robertsport, Commonwealth C | |
| Tallah Township, Commonwealth C | |
| Upper Tombey, Commonwealth C | |