Postal address
Osowiec, Łomża County
The postal code of Osowiec, in Łomża County (Podlasie, Polonia), is 18-416. Include it in your shipments and forms.
Location
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Osowiec
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Frequently asked questions
What is the postal code of Osowiec?
The main postal code of Osowiec (Łomża County, Polonia) is 18-416.