Gumki postal code
Village · ostrołęcki county (powiat) · Czerwin municipality (gmina) · mazowieckie voivodeship
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The postal code for Gumki is 07-407.
Postal code – Gumki
How to address a letter or parcel in Poland?
Jan Kowalski Gumki 15 07-407 Gumki
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 Gumki, so the second line contains the locality name and property number (e.g. Gumki 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 Gumki if it has no named streets?
Instead of a street, write the locality name and house number, e.g. “Gumki 15”. On the last line, write the postal code 07-407 and the locality or post office name.
What is the postal code for Gumki?
The postal code for Gumki is 07-407.
Which voivodeship and county is Gumki in?
Gumki (village) is in ostrołęcki county (powiat), Czerwin municipality (gmina), mazowieckie voivodeship.
Which localities are closest to Gumki?
The closest localities to Gumki are: Dąbek (0.5 km), Buczyn (0.9 km), Dobki Stare (1.5 km), Sokołowo (1.8 km), Laski Włościańskie (1.9 km), Zaorze (2 km). Distances are measured in a straight line between locality centres.
Localities near Gumki (ostrołęcki county)
Which county and municipality does Gumki belong to?
Gumki lies in Czerwin municipality (gmina), in ostrołęcki county (powiat), mazowieckie voivodeship, Poland. Centre of the area based on address points: 52.9562, 21.7951.
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