Postcode 18-400
Location: Podlasie → Omza County → Omza
47 location(s) using this postal code in Poland
Counties with postcode 18-400
- Andrzejki
- Bacze Suche
- Boguszyce
- Bożenica
- Chojny Młode
- Czaplice
- Drożęcin-Lubiejewo
- Dłużniewo
- Gać
- Giełczyn
- Gronostaje-Puszcza
- Grzymały Szczepankowskie
- Janowo
- Jarnuty
- Jednaczewo
- Kisiołki
- Konarzyce
- Koty
- Lutostań
- Mieczki
- Mikołajki
- Milewo
- Modzele-Skudosze
- Modzele-Wypychy
- Nowe Kupiski
- Nowe Wyrzyki
- Łochtynowo
- Łomża
- Piątnica Włościańska
- Pniewo
- Podgórze
- Pruszki Wielkie
- Puchały
- Rybno
- Siemień Nadrzeczny
- Siemień-Rowy
- Sierzputy Młode
- Stara Łomża Nad Rzeką
- Stara Łomża Przy Szosie
- Stare Chojny
- Stare Kupiski
- Stare Modzele
- Stare Sierzputy
- Stary Cydzyn
- Wygoda
- Zawady
- Zosin
About Postcode 18-400
This postal code is assigned to Omza Gmina County Omza County, Podlasie, Poland. This location-level postal code helps ensure accurate mail delivery and location identification.
Postal Code Format
Poland uses numeric postal codes with 5 digits (example: 00-001). In our directory, these codes are organized from voivodeships down to gminas.
- 18 — Voivodeship (Podlasie)
- -4 — County (Omza County)
- 00 — Gmina (Omza)
How to Use This Postcode 18-400
When sending mail or packages to this area, use the postal code below to ensure accurate and timely delivery.
Address format example:
Recipient Name
House #, Street Name
Omza
Omza County, Podlasie
18-400
Poland
Domestic Mail
Include this postcode on all letters and packages sent within Poland.
International Mail
For international deliveries, include "Poland" on the last address line after the postcode.
Frequently Asked Questions
What area does this postcode cover?
This postcode covers Podlasie → Omza County → Omza in Poland.
Is this a valid List Post Code?
Yes. 18-400 is an active postcode for Podlasie → Omza County → Omza in Poland. It follows the 5-character format used in this country.
How do I find the postal code for a specific address?
Search by voivodeship, county, and gmina to find the correct postcode in Poland. Search Postcodes
Found incorrect info for 18-400?
Useful Resources
Developer API
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Free JSON for postcode 18-400.
https://api.listpostcode.com/v1/countries/PL/postcodes/18-400curl -H "x-api-key: YOUR_API_KEY" \
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