| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Borcz, Somonino | 83-312 |
| Postal/ZIP Codes in Egiertowo, Somonino | 83-312 |
| Postal/ZIP Codes in Goręczyno, Somonino | 83-311 |
| Postal/ZIP Codes in Hopowo, Somonino | 83-312 |
| Postal/ZIP Codes in Kamela, Somonino | 83-312 |
| Postal/ZIP Codes in Kaplica, Somonino | 83-315 |
| Postal/ZIP Codes in Ostrzyce, Somonino | 83-311 |
| Postal/ZIP Codes in Piotrowo, Somonino | 83-315 |
| Postal/ZIP Codes in Połęczyno, Somonino | 83-312 |
| Postal/ZIP Codes in Ramleje, Somonino | 83-311 |
| Postal/ZIP Codes in Rąty, Somonino | 83-315, 83-314, 83-311 |
| Postal/ZIP Codes in Rybaki, Somonino | 83-315 |
| Postal/ZIP Codes in Sławki, Somonino | 83-312, 83-314 |
| Postal/ZIP Codes in Somonino, Somonino | 83-314 |
| Postal/ZIP Codes in Starkowa Huta, Somonino | 83-312, 83-315 |
| Postal/ZIP Codes in Wyczechowo, Somonino | 83-312, 83-314, 83-307 |