Olszewo-Borki postal code
Village · ostrołęcki county (powiat) · Olszewo-Borki municipality (gmina) · mazowieckie voivodeship
- code
- 1
- streets
- 54
The postal code for Olszewo-Borki is 07-415. The code covers 54 streets.
Postal code – Olszewo-Borki
Streets A–Z (54)
How to address a letter or parcel in Poland?
Jan Kowalski ul. 3-go Maja 1 07-415 Olszewo-Borki
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.
Frequently asked questions
What is the postal code for Olszewo-Borki?
The postal code for Olszewo-Borki is 07-415.
Which voivodeship and county is Olszewo-Borki in?
Olszewo-Borki (village) is in ostrołęcki county (powiat), Olszewo-Borki municipality (gmina), mazowieckie voivodeship.
Which localities are closest to Olszewo-Borki?
The closest localities to Olszewo-Borki are: Grabowo (1.2 km), Drężewo (1.6 km), Nakły (1.9 km), Kordowo (2.4 km), Kruki (2.4 km), Dzbenin (2.7 km). Distances are measured in a straight line between locality centres.
Localities near Olszewo-Borki (ostrołęcki county)
Which county and municipality does Olszewo-Borki belong to?
Olszewo-Borki lies in Olszewo-Borki municipality (gmina), in ostrołęcki county (powiat), mazowieckie voivodeship, Poland. Centre of the area based on address points: 53.0697, 21.5268.
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