Iwaniszki postal code
Village · suwalski county (powiat) · Przerośl municipality (gmina) · podlaskie voivodeship
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The postal code for Iwaniszki is 16-427.
Postal code – Iwaniszki
How to address a letter or parcel in Poland?
Jan Kowalski Iwaniszki 15 16-427 Iwaniszki
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 Iwaniszki, so the second line contains the locality name and property number (e.g. Iwaniszki 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 Iwaniszki if it has no named streets?
Instead of a street, write the locality name and house number, e.g. “Iwaniszki 15”. On the last line, write the postal code 16-427 and the locality or post office name.
What is the postal code for Iwaniszki?
The postal code for Iwaniszki is 16-427.
Which voivodeship and county is Iwaniszki in?
Iwaniszki (village) is in suwalski county (powiat), Przerośl municipality (gmina), podlaskie voivodeship.
Which localities are closest to Iwaniszki?
The closest localities to Iwaniszki are: Olszanka (1.4 km), Kruszki (1.6 km), Łanowicze Małe (2.1 km), Blenda (2.5 km), Hańcza (3 km), Bućki (3 km). Distances are measured in a straight line between locality centres.
Localities near Iwaniszki (suwalski county)
Which county and municipality does Iwaniszki belong to?
Iwaniszki lies in Przerośl municipality (gmina), in suwalski county (powiat), podlaskie voivodeship, Poland. Centre of the area based on address points: 54.2353, 22.7511.
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