Frequently asked questions
How is a Polish postal code structured?
A Polish postal code has five digits in the NN-NNN format, e.g. 00-950 for Warsaw. The first digit marks the postal district, the rest narrow down the delivery area.
How do I find my postal code?
Type your street and house number into the search box - the right code appears instantly. You can also browse by place and street.
Where does the data on this site come from?
From the National Register of Boundaries (PRG) maintained by GUGiK - the official open register of address points, fed by municipalities via the EMUiA system.
Can one street have several postal codes?
Yes, especially in large cities: the code can change along a street or depend on the house number range. Always check the exact house number.
I found a wrong postal code - what should I do?
Contact us via the contact page. The data comes from municipal registers and reported corrections are verified and applied with the next update.