Postal address
Olszewka, Powiat Ostrołęcki
The postal code of Olszewka, in Powiat Ostrołęcki (Mazovia, Polonia), is 07-402. 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 Ostrołęcki, Polonia) is 07-402.