Postal address
Olszewka, Powiat Ciechanowski
The postal code of Olszewka, in Powiat Ciechanowski (Mazovia, Polonia), is 06-430. Include it in your shipments and forms.
Location
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Olszewka
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Frequently asked questions
What is the postal code of Olszewka?
The main postal code of Olszewka (Powiat Ciechanowski, Polonia) is 06-430.