Olszyny postal code
Village · ostrołęcki county (powiat) · Myszyniec municipality (gmina) · mazowieckie voivodeship
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The postal code for Olszyny is 07-430.
Postal code – Olszyny
How to address a letter or parcel in Poland?
Jan Kowalski Olszyny 15 07-430 Olszyny
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 Olszyny, so the second line contains the locality name and property number (e.g. Olszyny 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 Olszyny if it has no named streets?
Instead of a street, write the locality name and house number, e.g. “Olszyny 15”. On the last line, write the postal code 07-430 and the locality or post office name.
What is the postal code for Olszyny?
The postal code for Olszyny is 07-430.
Which voivodeship and county is Olszyny in?
Olszyny (village) is in ostrołęcki county (powiat), Myszyniec municipality (gmina), mazowieckie voivodeship.
Are there other localities named Olszyny?
Yes – 10 localities share this name, including in these voivodeships: małopolskie, podlaskie, dolnośląskie, pomorskie, łódzkie, warmińsko-mazurskie. Each has its own postal code.
Which localities are closest to Olszyny?
The closest localities to Olszyny are: Zdunek (4 km), Charciabałda (4.1 km), Karaska (4.4 km), Zawady (4.5 km), Bandysie (5 km), Podgórze (5.2 km). Distances are measured in a straight line between locality centres.
Localities near Olszyny (ostrołęcki county)
Which county and municipality does Olszyny belong to?
Olszyny lies in Myszyniec municipality (gmina), in ostrołęcki county (powiat), mazowieckie voivodeship, Poland. Centre of the area based on address points: 53.3010, 21.2904.
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