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Postal code 18-420 – Jedwabne

Jedwabne, Jedwabne municipality, łomżyński county, podlaskie voivodeship

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Code 18-420:
localities
46
streets
34
buildings
532

Postal code 18-420 is used in 46 localities, including Jedwabne, Burzyn, Bartki, Biczki, Biodry (Jedwabne municipality, łomżyński county, podlaskie voivodeship). It covers 532 buildings on 34 streets – the full list with house numbers is below.

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Location
46 localities
Jedwabne municipality · łomżyński county
podlaskie voivodeship

Which streets have postal code 18-420?

ul. 3-go Maja · JedwabneNumbers: 3–4, 4A, 5–6, 6A, 8–11, 13, 15, 17ul. Cmentarna · JedwabneNumbers: 1, 3–4, 6–10, 12–13, 16, 20ul. Konopnickiej · JedwabneNumbers: 1–2, 4–7, 11, 13, 15–23, 25, 25A, 27ul. Kościuszki · JedwabneNumbers: 1–14, 16–18, 20–22, 25–29, 31–32, 34–39, 41, 49ul. Krasickiego · JedwabneNumbers: 1, 1B, 3, 8, 10, 12ul. Łomżyńska · JedwabneNumbers: 1–2, 4–8, 11–13, 15–19, 21, 23M.C. Skłodowskiej · JedwabneNumbers: 2, 4, 6, 8, 10, 12, 14, 16–17, 20, 22, 24ul. Mickiewicza · JedwabneNumbers: 2–5, 7–9, 9A, 10, 12–16, 16A, 17, 19, 21, 23, 25, 27–31, 33, 35, 37, 39, 45–46, 51, 59, 61ul. Nowa · JedwabneNumbers: 1, 3–5, 5A, 7, 9–12, 14–17, 19, 23–35ul. Ogrodowa · JedwabneNumbers: 1, 3–9, 12B, 14–15, 15A, 16–17, 19, 21, 23, 23A, 25ul. Piękna · JedwabneNumbers: 2, 2A, 3–5, 7–9, 11–12, 15, 17Plac 250-lecia · JedwabneNumbers: 1–6, 6A, 7–9, 9A, 10–14Plac Jana Pawła II · JedwabneNumbers: 1–16, 18–19, 19A, 20–26ul. Polna · JedwabneNumbers: 1, 1A, 3–9, 14, 23, 25, 27, 29ul. Poświętna · JedwabneNumbers: 2–3, 5, 7ul. Przestrzelska · JedwabneNumbers: 1, 3–4, 6–7, 9–10, 12, 14–15, 17–25, 27–40ul. Przytulska · JedwabneNumbers: 1, 3–5, 5A, 6–7, 9, 11–19, 21, 23, 28–29, 29A, 30–31, 33–41, 41A, 42–43, 45–50, 52–56, 58–59, 62, 62A, 62B, 62C, 63–64, 67, 69, 71, 71Aul. Raginisa · JedwabneNumbers: 2–8, 10, 12, 14ul. Rembielińskiego · JedwabneNumbers: 4, 6, 10, 10A, 12, 12A, 18, 20, 22, 24ul. Sadowa · JedwabneNumbers: 3–11, 13–14, 14A, 15–19, 21, 25ul. Spółdzielcza · JedwabneNumbers: 1, 3–10Stary Rynek · JedwabneNumbers: 1–4, 6–11, 13, 15ul. Stawiskowska · JedwabneNumbers: 3, 14, 30ul. Szkolna · JedwabneNumbers: 7–10ul. Wesoła · JedwabneNumbers: 4–11, 13, 13A, 15ul. Wjazd · JedwabneNumbers: 1, 3, 5–6ul. Wojska Polskiego · JedwabneNumbers: 1–12, 12A, 13, 15, 15A, 16–18, 20, 22, 24, 26, 28, 30, 34, 36, 42, 42A, 46, 50, 52ul. Żwirki i Wigury · JedwabneNumbers: 1–10, 12, 14, 16, 18, 20ul. Biebrzańska · BurzynNumbers: 2, 5ul. Cmentarna · BurzynNumbers: 1–2, 5, 9–10, 13, 15, 40ul. Długa · BurzynNumbers: 1–14, 16ul. Krótka · BurzynNumbers: 1–2, 4Nowy Rynek · BurzynNumbers: 1–10ul. Polna · BurzynNumbers: 1, 1A, 2–4

Which localities have postal code 18-420?

JedwabneBurzynBartkiBiczkiBiodryBorawskieBronaki-OlkiBronaki-PietraszeBrzostowoChrostowoChylinyGrądy MałeGrądy WielkieJanczewkoJanczewoKaimyKajetanowoKamiankiKarwowo-WszeboryKątyKonieckiKonopki ChudeKonopki TłusteKorytkiKosaki-TurkiKotówekKotowo StareKotowo-PlacKubrzanyKucze MałeKucze WielkieKuczewskieMakowskieMocarzeNadboryOlszewo-GóraOrlikowoPawełkiPieńki BorowePlutyPrzestrzeleRostkiSiestrzankiStryjakiSzostakiWitynie

How to address a letter or parcel in Poland?

Jan Kowalski
ul. 3-go Maja 1
18-420 Jedwabne

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 18-420 cover?

Postal code 18-420 covers 46 localities: Jedwabne, Burzyn, Bartki, Biczki, Biodry, Borawskie, Bronaki-Olki, Bronaki-Pietrasze, Brzostowo, Chrostowo and more, including streets: 3-go Maja, Cmentarna, Konopnickiej, Kościuszki, Krasickiego (łomżyński county, podlaskie voivodeship).

Where is postal code 18-420?

In podlaskie voivodeship, łomżyński county, Poland.

Is postal code 18-420 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 18-420?

18-41618-42118-42218-423

Which municipality and county does 18-420 belong to?

The 18-420 area (Jedwabne) lies in Jedwabne municipality (gmina), in łomżyński county (powiat), podlaskie voivodeship, Poland. Centre of the area based on address points: 53.2860, 22.3065.

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