Siemiątkowo postal code
Village · ostrołęcki county (powiat) · Troszyn municipality (gmina) · mazowieckie voivodeship
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The postal code for Siemiątkowo is 07-405.
Postal code – Siemiątkowo
How to address a letter or parcel in Poland?
Jan Kowalski Siemiątkowo 15 07-405 Siemiątkowo
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 Siemiątkowo, so the second line contains the locality name and property number (e.g. Siemiątkowo 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 Siemiątkowo if it has no named streets?
Instead of a street, write the locality name and house number, e.g. “Siemiątkowo 15”. On the last line, write the postal code 07-405 and the locality or post office name.
What is the postal code for Siemiątkowo?
The postal code for Siemiątkowo is 07-405.
Which voivodeship and county is Siemiątkowo in?
Siemiątkowo (village) is in ostrołęcki county (powiat), Troszyn municipality (gmina), mazowieckie voivodeship.
Are there other localities named Siemiątkowo?
Yes – 2 localities share this name, including in these voivodeships: mazowieckie. Each has its own postal code.
Which localities are closest to Siemiątkowo?
The closest localities to Siemiątkowo are: Ojcewo (0.9 km), Opęchowo (1.5 km), Kleczkowo (2.4 km), Trzaski (2.7 km), Dąbek (2.8 km), Budne (3 km). Distances are measured in a straight line between locality centres.
Localities near Siemiątkowo (ostrołęcki county)
Which county and municipality does Siemiątkowo belong to?
Siemiątkowo lies in Troszyn municipality (gmina), in ostrołęcki county (powiat), mazowieckie voivodeship, Poland. Centre of the area based on address points: 53.0530, 21.8126.
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