Postal address
Sierakowo, Powiat Płoński
The postal code of Sierakowo, in Powiat Płoński (Mazovia, Polonia), is 09-140. Include it in your shipments and forms.
Location
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Sierakowo
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Frequently asked questions
What is the postal code of Sierakowo?
The main postal code of Sierakowo (Powiat Płoński, Polonia) is 09-140.