| Code | Name | Region |
|---|---|---|
| PLKRW | Krerowo | 30 |
| PLKCO | Kreznica Okragla | 6 |
| PLRIA | Krobia | 2 |
| PLKOK | Krokowa | PM |
| PLKRC | Kroscienko | 12 |
| PLKOS | Koscierzyna | 22 |
| PLKSL | Kosow Lacki | 14 |
| PLKLY | Kostomloty | 2 |
| PLKZY | Kostrzyn | 8 |
| PLKNR | Kostrzyn Nad Odra | 8 |
| PLOSZ | Koszalin | |
| PLKSN | Koszecin | 24 |
| PLKOT | Kotla | 2 |
| PLKTN | Kotlin | 30 |
| PLKML | Kotorz Maly | 16 |
| PLMZK | Kotun | 14 |
| PLOYE | Kowal | 4 |
| PLKAA | Kowala Stepocina | 14 |
| PLKO7 | Kowale | 20 |
| PLKW3 | Kowale | 22 |
| PLKPM | Kowalewo Pomorskie | 4 |
| PLKWI | Kowalice | 8 |
| PLKWA | Kowary | 2 |
| PLKGY | Kozieglowy | SL |
| PLKZE | Kozienice | 14 |
| PLKWL | Konstantynow Lodzki | 6 |
| PLKAY | Kopaliny | 12 |
| PLKPA | Kopanica | 30 |
| PLKOP | Kopytow | |
| PLKOC | Korczowa | 18 |
| PLKCY | Korczyna | 18 |
| PLKPR | Korfantow | 16 |
| PLKO2 | Kornice | 24 |
| PLKRI | Kornik | WP |
| PLKNA | Kornowac | 24 |
| PLKOO | Koronowo | 4 |
| PLKOR | Koroszczyn | 6 |
| PLKSZ | Korsze | WN |
| PLKYC | Korycin | |
| PLK2W | Korzeniew | 30 |
| PLKZ4 | Korzenna | 12 |
| PLKZB | Korzybie | PM |
| PLKKO | Kosakowo | PM |
| PLKSC | Koscian | |
| PLKCC | Koscielec | 24 |
| PLKNO | Kolno | |
| PLKLN | Kolno | 14 |
| PLKLQ | Kolo | 30 |
| PLKOL | Kolobrzeg | 32 |
| PLKLX | Kolonowskie | 16 |