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Postal codes in Ostrołęka - exact code in seconds

Postal codes in Ostrołęka: 26-650

Street list: Ostrołęka

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Source: PRG - National Register of Boundaries (GUGiK, open data), EMUiA registry. Data is informational.

The information is provided for reference only. We do not guarantee that postal code or address data is complete, current, or error-free.

Data updated: 2026-07-11

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