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Postal code 18-312 – Rutki-Kossaki

Rutki-Kossaki, Rutki municipality, zambrowski county, podlaskie voivodeship

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Code 18-312:
localities
41
streets
21
buildings
415

Postal code 18-312 is used in 41 localities, including Rutki-Kossaki, Czochanie-Góra, Dębniki, Dobrochy, Duchny-Wieluny (Rutki municipality, zambrowski county, podlaskie voivodeship). It covers 415 buildings on 21 streets – the full list with house numbers is below.

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Post office
Post offices in Rutki-Kossaki – show branches on the map →
Location
41 localities
Rutki municipality · zambrowski county
podlaskie voivodeship

Which streets have postal code 18-312?

ul. 11 Listopada · Rutki-KossakiNumbers: 1, 1A, 2–7, 7A, 7B, 7C, 8–11, 11a, 12, 14–15, 15A, 16, 16A, 17–24, 24A, 24B, 25–27, 50–51ul. Cmentarna · Rutki-KossakiNumbers: 3, 5ul. Długa · Rutki-KossakiNumbers: 1–3, 3A, 4–5, 7, 9, 9A, 10–12, 14, 16–24, 26, 26A, 27–31, 33–35, 37–42, 45–46, 48–58, 60–63, 65–71, 71A, 72–75, 77, 79ul. Krótka · Rutki-KossakiNumbers: 1, 1B, 1C, 2–5, 5a, 7, 9–10, 10a, 11–14, 17, 19–20, 24ul. Kwiatowa · Rutki-KossakiNumbers: 1–8, 10, 12, 14ul. Lipowa · Rutki-KossakiNumbers: 4, 6, 20ul. Łomżyńska · Rutki-KossakiNumbers: 2–4, 6–11, 13–15, 17, 20–21, 21a, 22–32, 34–35, 37ul. Młynarska · Rutki-KossakiNumbers: 1–8, 10, 12, 14ul. Obwodowa · Rutki-KossakiNumbers: 1, 1A, 2, 6, 8–13, 15, 17, 19, 24, 26, 30, 34, 38–39, 49–50, 70ul. Ogrodowa · Rutki-KossakiNumbers: 7–8, 10, 12–13ul. Polowa · Rutki-KossakiNumbers: 1–2, 2A, 3, 3A, 4–10, 12–13, 18, 20, 26ul. Przemysłowa · Rutki-KossakiNumbers: 3, 5, 8Rynek · Rutki-KossakiNumbers: 1–2, 4–12, 12A, 13–14, 14Aul. Rzemieślnicza · Rutki-KossakiNumbers: 1–20ul. Sadowa · Rutki-KossakiNumbers: 2, 4, 6–7, 11–12, 14, 16, 18ul. Spokojna · Rutki-KossakiNumbers: 17, 21, 25ul. Szkolna · Rutki-KossakiNumbers: 1–4, 6–8, 10, 10A, 12, 14, 16, 18, 20, 24, 26ul. Tartak Stary · Rutki-KossakiNumbers: 1–3, 3A, 4–7, 7A, 8–15, 15A, 16–19, 21–23, 23A, 24, 24A, 25–28, 28A, 29–32, 32A, 32B, 33–45, 45A, 46–50, 52, 52A, 53, 53A, 54, 54A, 55–56, 58, 58A, 60, 60B, 60a, 62, 62A, 64, 64A, 64B, 66, 66Aul. Wojska Polskiego · Rutki-KossakiNumbers: 1–2, 4–10ul. Zawadzka · Rutki-KossakiNumbers: 1–2, 2A, 3, 5–6, 8, 10, 12, 14, 16, 18, 18A, 20, 22, 24, 28, 31, 35, 37, 65–66ul. Żytnia · Rutki-KossakiNumbers: 1–3, 5–12, 14, 16

Which localities have postal code 18-312?

Rutki-KossakiCzochanie-GóraDębnikiDobrochyDuchny-WielunyGórskie Ponikły-StokGrądy-WonieckoJawory-KlepaczeKałęczyn-WalochyKalinówka-BasieKalinówka-BystryKalinówka-WieloboryKołomyjaKołomyjkaKossaki NadbielneKossaki-FalkiKossaki-OstatkiMężeninModzele-GórkiNowe ZalesieNowe ZambrzyceOlszewo-PrzyborowoOżarki-OlszankaOżary WielkiePęsy-LipnoRutki-JatkiRutki-NowinyRutki-Tartak NowyŚliwowo-ŁopieniteStare ZalesieStare ZambrzyceŚwiątki-WierciceSzlasy-LipnoSzlasy-ŁopieniteSzlasy-MieszkiWalochy-MońkiWybranyZambrzyce-JankowoZambrzyce-KapustyZambrzyce-KróleZambrzyce-Plewki

How to address a letter or parcel in Poland?

Jan Kowalski
ul. 11 Listopada 1
18-312 Rutki-Kossaki

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 address does postal code 18-312 cover?

Postal code 18-312 covers 41 localities: Rutki-Kossaki, Czochanie-Góra, Dębniki, Dobrochy, Duchny-Wieluny, Górskie Ponikły-Stok, Grądy-Woniecko, Jawory-Klepacze, Kałęczyn-Walochy, Kalinówka-Basie and more, including streets: 11 Listopada, Cmentarna, Długa, Krótka, Kwiatowa (zambrowski county, podlaskie voivodeship).

Where is postal code 18-312?

In podlaskie voivodeship, zambrowski county, Poland.

Is postal code 18-312 enough to send a parcel?

No – always write the postal code together with the town or post office name and the full address (street and building number, or the village name with the house number).

Which postal codes are next to 18-312?

18-315

Which municipality and county does 18-312 belong to?

The 18-312 area (Rutki-Kossaki) lies in Rutki municipality (gmina), in zambrowski county (powiat), podlaskie voivodeship, Poland. Centre of the area based on address points: 53.0860, 22.4421.

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