| Code | Name | Region |
|---|---|---|
| PLCLH | Czluchow | PM |
| PLCSN | Czosnow | MZ |
| PLCZU | Czudec | 18 |
| PLCZZ | Czyzew | WN |
| PLCWC | Czyzowice | 24 |
| PLDBE | Dabie | |
| PLDBA | Dabrowa Bialostocka | 20 |
| PLDCK | Dabrowa Chelminska | 4 |
| PLDAB | Dabrowa Gornicza | 24 |
| PLDBW | Dabrowa Rusiecka | 10 |
| PLDAT | Dabrowa Tarnowska | 12 |
| PLDAZ | Dabrowa Zielona | 24 |
| PLDOW | Dabrowice | 10 |
| PLDBK | Dabrowka | 2 |
| PL6MA | Dabrowka | 14 |
| PLCBA | Czarna Bialostocka | 20 |
| PLCDB | Czarna Dabrowka | 22 |
| PLCAR | Czarna Woda | PM |
| PLCZN | Czarnia | 14 |
| PLCZA | Czarnkow | 30 |
| PLCRO | Czarnocin | 10 |
| PLCYB | Czarny Bor | |
| PLCZT | Czastary | 10 |
| PLCHW | Czchow | MA |
| PLCZD | Czechowice-dziedzice | 24 |
| PLCLZ | Czeladz | 24 |
| PLCZP | Czempin | 30 |
| PLCSM | Czermin | 18 |
| PLCZE | Czernica | 2 |
| PLCZI | Czernichow | 24 |
| PLOZK | Czerniewice | 4 |
| PLZRW | Czerniewice | 10 |
| PLCZR | Czersk Pomorski | 22 |
| PLCWA | Czerwiensk | 8 |
| PLCER | Czerwin | 14 |
| PLCIE | Ciechanow | 14 |
| PLCIK | Ciechocinek | 4 |
| PLCIH | Ciechomice | 14 |
| PLCI2 | Ciecierzyn | 6 |
| PLCOK | Ciepielowek | 8 |
| PLCPW | Cieplewo | 22 |
| PLCWY | Cieplowody | |
| PLCPC | Cierpice | 4 |
| PLCSZ | Cieszanow | 18 |
| PLCSW | Cieszkow | 2 |
| PLCZY | Cieszyn | 24 |
| PLCIZ | Ciezkowice | 12 |
| PLCGA | Cigacice | 8 |
| PLCMI | Cmielow | 26 |
| PLCLA | Cmolas | 18 |