Postal address
Kosaki, Łomża County
The postal code of Kosaki, in Łomża County (Podlasie, Polonia), is 18-421. Include it in your shipments and forms.
Location
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Kosaki
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Frequently asked questions
What is the postal code of Kosaki?
The main postal code of Kosaki (Łomża County, Polonia) is 18-421.