Kostków postal code
Village · jarosławski county (powiat) · Jarosław municipality (gmina) · podkarpackie voivodeship
- codes
- 3
Kostków has 3 postal codes: 31-511, 37-500, 37-511. The correct code depends on the street.
All postal codes (3) – Kostków
How to address a letter or parcel in Poland?
Jan Kowalski Kostków 15 31-511 Kostków
Write the postal code in the 00-000 format on the last line, before the town name. Put the recipient's full name on the first line and the street with building and flat number on the second. For mail from abroad, add POLAND as the final line. There are no named streets in Kostków, so the second line contains the locality name and property number (e.g. Kostków 15). If the serving post office is in another locality, its name can appear next to the code on the last line.
Frequently asked questions
How do I address a letter to Kostków if it has no named streets?
Instead of a street, write the locality name and house number, e.g. “Kostków 15”. On the last line, write the postal code 31-511 and the locality or post office name.
Why does Kostków have several postal codes?
In larger localities, postal codes are assigned to streets and, on long streets, to building number ranges. Kostków has 3 postal codes – find the right one in the street directory.
What is the postal code for Kostków?
Kostków has 3 postal codes: 31-511, 37-500, 37-511. The correct code depends on the street.
Which voivodeship and county is Kostków in?
Kostków (village) is in jarosławski county (powiat), Jarosław municipality (gmina), podkarpackie voivodeship.
Which localities are closest to Kostków?
The closest localities to Kostków are: Manasterz (2.3 km), Nielepkowice (2.6 km), Wólka Pełkińska (2.9 km), Leżachów-Osada (3.3 km), Wola Buchowska (3.9 km), Pełkinie (4.9 km). Distances are measured in a straight line between locality centres.
Localities near Kostków (jarosławski county)
Which county and municipality does Kostków belong to?
Kostków lies in Jarosław municipality (gmina), in jarosławski county (powiat), podkarpackie voivodeship, Poland. Centre of the area based on address points: 50.1048, 22.6492.
Where does this data come from?
Localities and postal codes come from the public TERYT registers (Statistics Poland), while streets, building numbers and locations come from the National Register of Boundaries (GUGiK). Data as of 12.11.2026. This site is not affiliated with Poczta Polska; for important shipments, confirm the code at a post office. More about sources