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Postal code 11-400 – Kętrzyn

Kętrzyn, Kętrzyn municipality, kętrzyński county, warmińsko-mazurskie voivodeship

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Code 11-400:
localities
70
streets
137
buildings
2,315

Postal code 11-400 is used in 70 localities, including Kętrzyn, Wilkowo, Nakomiady, Bałowo, Bałtrucie (Kętrzyn municipality, kętrzyński county, warmińsko-mazurskie voivodeship). It covers 2315 buildings on 137 streets – the full list with house numbers is below.

Postal code 11-400 areaOpen in OSM ↗
Post office
Post offices in Kętrzyn – show branches on the map →
Location
70 localities
Kętrzyn municipality · kętrzyński county
warmińsko-mazurskie voivodeship

Which streets have postal code 11-400?

ul. Adama Asnyka · KętrzynNumbers: 1–6, 8, 10, 12ul. Adama Mickiewicza · KętrzynNumbers: 1–2, 2a, 3–4, 6, 8, 10ul. Andrzeja Samulowskiego · KętrzynNumbers: 1, 3–4, 5C, 5D, 5H, 6–14, 16ul. Andrzeja Struga · KętrzynNumbers: 2–3ul. Bałtycka · KętrzynNumbers: 1, 1A, 1B, 1C, 2–4, 6, 8, 10A, 10B, 10C, 10D, 10E, 10F, 10G, 12, 12A, 12B, 12C, 13, 14A, 14B, 14C, 14D, 14F, 17–18, 18A, 18B, 20–21, 22A, 24, 24A, 24B, 30ul. Bogumiła Linki · KętrzynNumbers: 1–2, 2A, 2a, 3–4, 6ul. Bolesława Chrobrego · KętrzynNumbers: 1, 1A, 2–3, 3A, 3B, 4–5, 5a, 6–7, 7A, 8–13, 13A, 15–16, 16A, 16B, 16C, 16D, 16E, 16F, 16G, 16H, 16i, 16l, 17, 17A, 17B, 17C, 18–42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, 64, 66, 68, 70ul. Bolesława Limanowskiego · KętrzynNumbers: 1–3, 3a, 4–6, 8–9, 9A, 10–19, 19a, 20–23, 23B, 23a, 24–40, 42, 44, 46, 48ul. Bolesława Prusa · KętrzynNumbers: 2, 4ul. Brzozowa · KętrzynNumbers: 1–23, 25–28, 30, 32, 34, 44ul. Budowlana · KętrzynNumbers: 1, 3, 3B, 3D, 3E, 3F, 3G, 5, 11, 13, 13A, 13B, 13C, 14ul. Bydgoska · KętrzynNumbers: 1, 3–5, 7–11, 11A, 11B, 11C, 12–13, 13A, 14, 16, 18, 18A, 20, 20A, 20B, 21, 23–24, 26, 28–33, 33A, 34–36, 36a, 37–38ul. Chabrowa · KętrzynNumbers: 1–3, 5–6, 11, 13, 15, 17ul. Cicha · KętrzynNumbers: 1, 2a, 2b, 2c, 2d, 2e, 3–7, 7A, 8–9, 9A, 10–16, 18, 20ul. Cmentarna · KętrzynNumbers: 1–2, 4ul. Cukrownicza · KętrzynNumbers: 1A, 2–5ul. Cypriana K. Norwida · KętrzynNumbers: 1A, 2, 2A, 3–4, 6–7, 12, 14ul. Dębowa · KętrzynNumbers: 1–10, 12–20, 22, 24, 26, 28, 30, 32ul. Dolna · KętrzynNumbers: 1–2, 4, 6, 8, 10, 12ul. Dworcowa · KętrzynNumbers: 1, 1B, 1a, 1c, 2–3, 3a, 6, 8–10, 10A, 11–12, 12a, 13, 15, 17a, 19, 19Aul. Elizy Orzeszkowej · KętrzynNumbers: 1–31, 33, 35, 37ul. Emilii Plater · KętrzynNumbers: 1–6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30ul. Fryderyka Chopina · KętrzynNumbers: 1–5, 7, 7A, 8, 8A, 9–11, 11A, 12, 13A, 14, 14A, 15, 15A, 15B, 15C, 16–20, 22ul. Gdańska · KętrzynNumbers: 2, 2A, 4, 6, 6A, 7, 9, 9A, 10, 10A, 11–12, 12A, 14Gen. Władysława Sikorskiego · KętrzynNumbers: 2–7, 7A, 8–9, 9A, 10–22, 22a, 23–24, 24A, 24B, 25–34, 34a, 35–41, 41a, 42–45, 45A, 46–53, 53a, 54, 54A, 55–58, 60, 60A, 61, 61A, 62, 62A, 62H, 65–67, 67A, 67B, 68–69, 69A, 69B, 70–72, 72A, 73–74, 74A, 75, 76A, 76B, 76C, 76D, 76E, 76F, 76G, 76H, 76J, 77, 77A, 78–82, 84, 86, 88, 90, 92, 94, 96, 98ul. Górna · KętrzynNumbers: 1C, 1E, 1F, 2–3, 3B, 3C, 3a, 4–5, 5A, 6, 6B, 7–8, 8B, 8C, 8D, 8E, 8F, 8G, 9, 10A, 10B, 10C, 10E, 10F, 10G, 10J, 10K, 10n, 10Ł, 11–12, 12BA, 12a, 12b, 12d, 12e, 12f, 12h, 15, 15A, 15B, 16–17, 17A, 19, 21, 23, 25, 27ul. Graniczna · KętrzynNumbers: 1–2, 2A, 3–15, 17ul. Henryka Sienkiewicza · KętrzynNumbers: 1–2, 2a, 3–16, 16A, 17, 17A, 18, 18a, 19–21, 23, 25, 27ul. Hugo Kołłątaja · KętrzynNumbers: 1–5, 7, 9–16, 18–23ul. Ignacego Daszyńskiego · KętrzynNumbers: 1–2, 4, 6, 8, 8A, 10–16, 16a, 16b, 16c, 17, 17a, 18, 18a, 20, 22–23, 23A, 23B, 23C, 23E, 24–26, 26A, 27–29, 29B, 29C, 29a, 30–31, 31A, 32–35, 37, 39ul. Ignacego Kraszewskiego · KętrzynNumbers: 1–2, 2a, 2b, 2d, 3–21, 23, 25, 27, 29, 31ul. Jana Brzechwy · KętrzynNumbers: 2, 2A, 3–4, 12–14, 15A, 15B, 15C, 15D, 15E, 15G, 15Hul. Jana Kasprowicza · KętrzynNumbers: 1, 1a, 1b, 1c, 2a, 2b, 2c, 2d, 2e, 3–14, 14a, 14b, 16, 16a, 18, 20, 22, 24, 26–27, 29, 29a, 30–31, 33ul. Jana Kochanowskiego · KętrzynNumbers: 8, 10–13, 15–21, 21A, 23, 23A, 23B, 25, 33, 35ul. Jana Sobieskiego · KętrzynNumbers: 1, 1A, 2–16, 18, 18A, 20, 22, 22A, 24, 26, 28, 30, 32, 34, 34A, 36, 38ul. Jarosława Dąbrowskiego · KętrzynNumbers: 2, 4–25, 27–28, 28A, 29–32, 32A, 33–37, 39ul. Jaśminowa · KętrzynNumbers: 4, 6ul. Jerzego Lanca · KętrzynNumbers: 1–3ul. Juliana Tuwima · KętrzynNumbers: 1–2, 2a, 3–7, 9, 11–12, 12A, 14ul. Juliusza Słowackiego · KętrzynNumbers: 1–3, 3A, 4–7, 7A, 11, 15ul. Kasztanowa · KętrzynNumbers: 1–2, 4ul. Kaszubska · KętrzynNumbers: 1a, 1b, 1c, 1d, 3, 5–6, 6a, 7–8, 10, 10A, 10B, 12, 14ul. Kazimierza Wielkiego · KętrzynNumbers: 3, 3A, 4–6, 6A, 7, 10, 12, 12aul. Klonowa · KętrzynNumbers: 1–2, 2A, 2B, 3–6, 6A, 7–9, 11, 13, 16, 25, 27, 29ul. Kolejowa · KętrzynNumbers: 2, 4ul. Kołobrzeska · KętrzynNumbers: 1D, 1E, 1F, 1G, 1a, 1b, 1c, 3ul. Konstantego I. Gałczyńskiego · KętrzynNumbers: 1ul. Królowej Bony · KętrzynNumbers: 1–5, 5A, 6, 6A, 7, 7A, 8–10, 10Aul. Królowej Jadwigi · KętrzynNumbers: 1, 1A, 3, 5, 7–11, 11A, 11Bul. Krótka · KętrzynNumbers: 1–4, 8ul. Kwiatowa · KętrzynNumbers: 1–2, 2A, 2C, 2b, 3, 3a, 4, 4A, 5ul. Łąkowa · KętrzynNumbers: 1, 3–5, 5a, 6–7, 9, 11, 13, 15, 17ul. Lawendowa · KętrzynNumbers: 8, 14ul. Leśna · KętrzynNumbers: 1, 1A, 2–4, 4A, 5–6, 8, 8a, 10, 12, 14, 16, 18ul. Lipowa · KętrzynNumbers: 2, 2A, 3–9, 9A, 10–12, 12A, 13, 15ul. Ludwika Osińskiego · KętrzynNumbers: 2, 4ul. Macieja Rataja · KętrzynNumbers: 2, 2a, 4, 6, 8ul. Mała · KętrzynNumbers: 1–4, 4A, 4B, 5–8, 10, 12, 22ul. Marii Curie-Skłodowskiej · KętrzynNumbers: 1–3, 5, 7, 9, 11ul. Marii Konopnickiej · KętrzynNumbers: 1–25ul. Marii Zientary-Malewskiej · KętrzynNumbers: 1–26ul. Mazowiecka · KętrzynNumbers: 2, 2A, 3, 3A, 3B, 3C, 3D, 3E, 3F, 3G, 3J, 3K, 4, 4B, 4a, 5, 7, 7a, 8, 8A, 11, 11A, 11B, 11C, 12, 14–17, 20, 24, 26, 28ul. Mazurska · KętrzynNumbers: 1–14, 16–22, 24, 24a, 24b, 26, 28, 30, 32, 34, 36, 36a, 38, 38a, 40, 42ul. Michała Kajki · KętrzynNumbers: 1–3, 5, 9, 11, 13, 15, 15A, 19ul. Miejska · KętrzynNumbers: 1, 3–9ul. Mikołaja Kopernika · KętrzynNumbers: 2–4, 4a, 5–6, 6a, 7–8, 10, 12ul. Mikołaja Reja · KętrzynNumbers: 1–8, 8A, 8B, 9–10ul. Nasienna · KętrzynNumbers: 1ul. Niepodległości · KętrzynNumbers: 1–11, 13, 15ul. Nowe Osiedle · KętrzynNumbers: 1–6, 6a, 7–11, 13, 15, 17, 19, 21, 23, 25, 27, 29ul. Obrońców Westerplatte · KętrzynNumbers: 1–2, 4, 6, 8, 10, 12, 14, 16, 16b, 18, 20, 22, 24, 26–28ul. Ogrodowa · KętrzynNumbers: 1–2, 2a, 3, 3B, 4–8, 10–11, 11a, 12–15, 15A, 15B, 15D, 16–17, 17a, 18–19, 19A, 20, 20A, 20B, 21, 23, 25ul. Olsztyńska · KętrzynNumbers: 1–2, 2A, 2B, 3–7, 9ul. Parkowa · KętrzynNumbers: 3, 3a, 5ul. Piastowska · KętrzynNumbers: 2, 2A, 2B, 3–8, 10ul. Pionierska · KętrzynNumbers: 1, 3ul. Piwna · KętrzynNumbers: 5, 7Plac Grunwaldzki · KętrzynNumbers: 1Plac marsz. Józefa Piłsudskiego · KętrzynNumbers: 1–12, 12APlac Słowiański · KętrzynNumbers: 1, 1a, 2, 2A, 3–7Plac Zamkowy · KętrzynNumbers: 1ul. Pocztowa · KętrzynNumbers: 1–2, 3A, 5, 5A, 6, 6A, 6B, 7, 7a, 7b, 8/8A, 9–15ul. Polna · KętrzynNumbers: 1–4, 4a, 4b, 4c, 5–8, 10–11, 11a, 11b, 12, 13a, 13b, 15, 17ul. Pomorska · KętrzynNumbers: 1–3, 3a, 4–13, 15, 17, 19, 21ul. Powstańców Warszawy · KętrzynNumbers: 1–3, 3A, 4–17, 17a, 19, 21, 21a, 23, 25, 27, 29, 33, 35, 37, 39, 41ul. Poznańska · KętrzynNumbers: 1A, 1B, 3, 5–16, 19a, 19b, 20–21, 21A, 21B, 22, 22A, 22B, 23, 23A, 23B, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 50a, 52, 54ul. Przemysłowa · KętrzynNumbers: 1, 3, 5ul. Romualda Mielczarskiego · KętrzynNumbers: 1, 1B, 1a, 2–3, 3A, 3B, 3C, 4–5, 7, 9, 9a, 9bul. Romualda Traugutta · KętrzynNumbers: 1–3, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27ul. Różana · KętrzynNumbers: 1–6, 6A, 7–9, 9A, 10–11ul. Rybna · KętrzynNumbers: 1, 4ul. Rycerska · KętrzynNumbers: 1–5, 9ul. Rynkowa · KętrzynNumbers: 1a, 2, 3a, 4–5, 5a, 6, 8, 8A, 9–10, 10A, 11, 11A, 11F, 11I, 11Ł, 12–13, 13A, 14, 16, 18, 20, 22, 24, 26ul. Rzemieślnicza · KętrzynNumbers: 1–5, 8ul. Sadowa · KętrzynNumbers: 1–2, 2A, 3–7ul. Seweryna Pieniężnego · KętrzynNumbers: 1–14, 16ul. Składowa · KętrzynNumbers: 1, 1A, 3–4, 11, 11Aul. Skrajna · KętrzynNumbers: 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26–28, 30–32, 33a, 33b, 34, 36–37ul. Słoneczna · KętrzynNumbers: 1–3, 5, 7, 9ul. Sosnowa · KętrzynNumbers: 1–3, 5–12ul. Spokojna · KętrzynNumbers: 2, 2a, 6ul. Sportowa · KętrzynNumbers: 1, 4, 6, 8, 10, 12, 14, 18ul. Stanisława A. Poniatowskiego · KętrzynNumbers: 1–2, 2a, 3–6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36ul. Stanisława Moniuszki · KętrzynNumbers: 1, 1A, 2–3, 3A, 4–12, 12A, 14, 16, 18, 20ul. Stanisława Staszica · KętrzynNumbers: 1A, 1B, 1C, 1D, 2–6ul. Stanisława Wyspiańskiego · KętrzynNumbers: 1–4, 6ul. Staromiejska · KętrzynNumbers: 2, 4ul. Stefana Batorego · KętrzynNumbers: 12, 12A, 12Bul. Stefana Żeromskiego · KętrzynNumbers: 1, 1a, 3–5, 5a, 6–8, 8A, 9–13, 14A, 14B, 14C, 14D, 15–21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41ul. Świerkowa · KętrzynNumbers: 2, 3B, 3C, 3D, 3a, 4–5, 5a, 5b, 6–14, 16, 18–28, 30–35, 37, 39, 41, 43–50, 52, 54, 56, 58–63, 65–74, 76, 78–90, 93–94, 96–109, 109A, 110–117, 117A, 118–121, 125, 127ul. Szkolna · KętrzynNumbers: 1, 1a, 2, 4, 6, 8ul. Szpitalna · KętrzynNumbers: 1, 3ul. Tadeusza Kościuszki · KętrzynNumbers: 1–3, 5, 5Aul. Targowa · KętrzynNumbers: 1–5, 7A, 7B, 7C, 7G, 7I, 7M, 7N, 7O, 14, 18, 24, 26, 28ul. Urocza · KętrzynNumbers: 1, 1A, 2, 2A, 3–7ul. Usługowa · KętrzynNumbers: 1, 3–4, 6–8ul. Warmińska · KętrzynNumbers: 2ul. Wąska · KętrzynNumbers: 2–7ul. Wiejska · KętrzynNumbers: 1–6ul. Wierzbowa · KętrzynNumbers: 1–3, 3A, 5, 7, 9, 11, 13, 15, 17, 19ul. Wilanowska · KętrzynNumbers: 1–3, 5, 7, 9, 11, 13, 15, 17, 19, 21ul. Wilcza · KętrzynNumbers: 2, 4, 7–8, 10, 12, 16Bul. Wileńska · KętrzynNumbers: 1–2, 8, 10, 12, 16, 16Aul. Willowa · KętrzynNumbers: 1, 1a, 2, 2A, 2B, 3, 5, 6-4, 7, 7A, 8–16, 16a, 16b, 16c, 17–21, 23ul. Wiosenna · KętrzynNumbers: 1–2, 4, 6ul. Władysława Broniewskiego · KętrzynNumbers: 2, 2a, 3–8, 8A, 9–11ul. Władysława Jagiełły · KętrzynNumbers: 1, 1A, 3, 4A, 4B, 4C, 4D, 4E, 4F, 4G, 4H, 4J, 5–6, 6a, 6b, 6c, 6d, 6e, 6f, 6g, 6h, 6i, 6j, 6k, 7, 7a, 8, 8a, 9–11, 13, 15, 15A, 16–23, 25, 27–33, 33a, 33b, 35–41, 41A, 42–66, 66A, 66B, 66C, 67–71, 73, 75, 77, 79, 81, 83, 85, 87, 89, 91, 93, 101, 103, 105, 107, 117, 119, 121ul. Władysława Łokietka · KętrzynNumbers: 1–4, 4A, 5, 7, 9, 11, 13, 15, 17–20, 20a, 21, 21A, 22–23, 23A, 24–25, 25A, 27, 29ul. Władysława Orkana · KętrzynNumbers: 1, 1a, 2–6, 6A, 8–9, 9A, 11ul. Władysława Reymonta · KętrzynNumbers: 1–2, 2a, 3–9, 9A, 9B, 9C, 9D, 10–16, 18, 20–24, 26, 28, 30, 32, 34, 36ul. Wojska Polskiego · KętrzynNumbers: 1–2, 3a, 3b, 3c, 4–7, 9–10, 10A, 11–12, 12A, 14, 14a, 15, 17, 19, 21, 27, 29, 31, 33, 35ul. Wrzosowa · KętrzynNumbers: 1, 4, 6ul. Zamkowa · KętrzynNumbers: 2, 2a, 4, 4Aul. Zatorze · KętrzynNumbers: 1–7, 9ul. Zbożowa · KętrzynNumbers: 1–3, 4a, 6–7, 9, 9A, 10–11ul. Zielona · KętrzynNumbers: 1–3, 3A, 4–6, 8–10, 12ul. Zjazdowa · KętrzynNumbers: 1/3, 5, 7, 9, 11, 15

Which localities have postal code 11-400?

How to address a letter or parcel in Poland?

Jan Kowalski
ul. Adama Asnyka 1
11-400 Kętrzyn

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 11-400 cover?

Postal code 11-400 covers 70 localities: Kętrzyn, Wilkowo, Nakomiady, Bałowo, Bałtrucie, Banaszki, Biedaszki, Biedaszki Małe, Borki, Cegielnia and more, including streets: Adama Asnyka, Adama Mickiewicza, Andrzeja Samulowskiego, Andrzeja Struga, Bałtycka (kętrzyński county, warmińsko-mazurskie voivodeship).

Where is postal code 11-400?

In warmińsko-mazurskie voivodeship, kętrzyński county, Poland.

Is postal code 11-400 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 11-400?

Which municipality and county does 11-400 belong to?

The 11-400 area (Kętrzyn) lies in Kętrzyn municipality (gmina), in kętrzyński county (powiat), warmińsko-mazurskie voivodeship, Poland. Centre of the area based on address points: 54.0772, 21.3793.

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