Poland Complete Address Format Guide
Polish postal codes contain five digits split 2-3 by a hyphen. The code is written before the locality, and the hyphen is part of the normal presentation. Polish national significant numbers generally contain nine digits. +48 is used internationally without an additional domestic trunk prefix. Polish surnames may use gendered endings, such as Kowalski and Kowalska, and include letters with diacritics. A person's legal spelling should be preserved exactly.
Standard format
Anna Kowalska / Jan Kowalski โ street โ NN-NNN
Example
00-001 ยท +48 501 234 567
Implementation and validation notes
Polish postal codes contain five digits split 2-3 by a hyphen. The code is written before the locality, and the hyphen is part of the normal presentation. Polish national significant numbers generally contain nine digits. +48 is used internationally without an additional domestic trunk prefix. Polish surnames may use gendered endings, such as Kowalski and Kowalska, and include letters with diacritics. A person's legal spelling should be preserved exactly.
Validate required state, character set, length, and syntax on the client, then repeat validation on the server. Preserve the original input and normalize into a separate field; never truncate local scripts, compound names, or leading zeroes to fit a single Western assumption.
This guide describes common formats rather than an official registry and cannot enumerate every exception. Generated output is for testing only, not delivery, calling, identity verification, or real account activity.
Postal code
NN-NNN
Polish postal codes contain five digits split 2-3 by a hyphen. The code is written before the locality, and the hyphen is part of the normal presentation.
Phone
+48 NNN NNN NNN
Polish national significant numbers generally contain nine digits. +48 is used internationally without an additional domestic trunk prefix.
Names
Anna Kowalska / Jan Kowalski
Polish surnames may use gendered endings, such as Kowalski and Kowalska, and include letters with diacritics. A person's legal spelling should be preserved exactly.
Related resources
Frequently asked questions
What is the standard Poland address format?
A common representation is Anna Kowalska / Jan Kowalski โ street โ NN-NNN, for example 00-001 ยท +48 501 234 567. Polish postal codes contain five digits split 2-3 by a hyphen. The code is written before the locality, and the hyphen is part of the normal presentation. Polish national significant numbers generally contain nine digits. +48 is used internationally without an additional domestic trunk prefix. Polish surnames may use gendered endings, such as Kowalski and Kowalska, and include letters with diacritics. A person's legal spelling should be preserved exactly.
How should Poland address test data be stored?
Store the original value as a string so leading zeroes, spaces, hyphens, accents, and local scripts are preserved. Use a separate normalized field for search.
Does correct formatting prove the data is real?
No. Syntax validation cannot prove an address is deliverable, a number is assigned, or a name belongs to a real person.