Postal codes in Poland

Common card · No. 409109

In Poland, postal codes are used for assigning post to addresses. They were introduced in 1973. They are five-digit codes of two-then-three digits, with a hyphen between them. The first digit indicates one of the 10 large postal regions the country is divided into. These areas do not follow the administrative divisions. The second and third digits specify a particular smaller region (originally the number of a regional sorting office, there was one in every county), and the last two are the number of a postal delivery branch. Clients receiving particularly large volumes of mail may have their own unique postal codes; the same goes for PO Box lobbies of the largest post offices. Postal codes are written in Poland before the city/town/locality name, e.g. 00-001 Warszawa. First digit in the postal code represents the postal district, second digit major geographical subdivision of this district, and the three digits after dash: the post office, or in case of large cities: particular street...

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