| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Bohosudov, Krupka | 417 |
| Postal/ZIP Codes in Fojtovice, Krupka | 417 41 |
| Postal/ZIP Codes in Horní Krupka, Krupka | 417 41 |
| Postal/ZIP Codes in Krupka, Krupka | 417 |
| Postal/ZIP Codes in Maršov, Krupka | 417 42 |
| Postal/ZIP Codes in Nové Modlany, Krupka | 417 42 |
| Postal/ZIP Codes in Soběchleby, Krupka | 417 42 |
| Postal/ZIP Codes in Unčín, Krupka | 403, 417 |
| Postal/ZIP Codes in Vrchoslav, Krupka | 417 41 |