| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Boco, Sosa | 3840-341 |
| Postal/ZIP Codes in Fontão, Sosa | 3840-342 |
| Postal/ZIP Codes in Lavandeira, Sosa | 3840-344 |
| Postal/ZIP Codes in Pedricosa, Sosa | 3840-345 |
| Postal/ZIP Codes in Salgueiro, Sosa | 3840-346 |
| Postal/ZIP Codes in Soza, Sosa | 3840 |
| Postal/ZIP Codes in Vale das Maias, Sosa | 3840-343 |