Postal address
Osiek, Powiat Płoński
The postal code of Osiek, in Powiat Płoński (Mazovia, Polonia), is 09-131. Include it in your shipments and forms.
Location
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Osiek
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Frequently asked questions
What is the postal code of Osiek?
The main postal code of Osiek (Powiat Płoński, Polonia) is 09-131.