Postal-place testing - limited source coverage

Poland Address Generator

Polish-format test records using source postal places and NN-NNN postal codes. Voivodeships are available as source filters, while municipal-government codes are not presented as current official geography.

GeoNames postal-place sample with a synthetic street. Limited source coverage; not delivery-verified.

Poland Address Format

A Polish address puts the street name before the house number. The postal line contains two digits, a hyphen, three digits and the locality. The voivodeship is useful for selecting a source subset but is not added to the ordinary postal block. Polish characters are preserved instead of being converted into approximate ASCII spellings.

ul. Testowa 250
62-410 Adamierz
POLAND

Synthetic format example, not a delivery address. The street or box line is generated test data.

UPU Poland addressing reference. This reference documents postal layouts, not the validity of generated addresses.

Poland Source Coverage

Retained source rows
72,877
Locality labels by area
45,500
Covered source groups
16

GeoNames is not the licensed Poczta Polska PNA directory. The import excludes source places named Szczawa and Grabowka with known administrative-review issues; it does not assert a fresh TERYT match for every other place. A source place and postal code should not be interpreted as proof of the current gmina or a street delivery assignment.

Included voivodeship groups
  • Greater Poland: 7,136 source rows
  • Kujawsko-Pomorskie: 4,284 source rows
  • Lesser Poland: 3,815 source rows
  • Łódź Voivodeship: 6,622 source rows
  • Lower Silesia: 4,524 source rows
  • Lublin: 4,652 source rows
  • Lubusz: 1,796 source rows
  • Mazovia: 12,530 source rows
  • Opole Voivodeship: 1,624 source rows
  • Podlasie: 4,396 source rows
  • Pomerania: 4,499 source rows
  • Silesia: 2,386 source rows
  • Subcarpathia: 2,234 source rows
  • Świętokrzyskie: 3,057 source rows
  • Warmia-Masuria: 4,513 source rows
  • West Pomerania: 4,809 source rows

Counts describe this imported subset, not a national completeness percentage. A locality label may occur in more than one source group. Exact duplicates are removed; unsupported or inconsistent records are omitted, not repaired with guessed geography.

Poland Form-Testing Cases

Polish fixtures exercise the required hyphen, leading zeroes and characters such as accented vowels and crossed letters. A numeric database column cannot preserve the postal format. Address-validation software should keep postal delivery geography separate from administrative identifiers rather than deriving one directly from the other.

Generated records are for development, QA and demonstrations. They must not be used for mail delivery, identity checks, account verification or proof of residence. A synthetic result can coincidentally resemble an existing address; it is not guaranteed to be nonexistent.

Data and Attribution

Geographic data: GeoNames PL postal export, reused under CC BY 4.0. Downloaded 2026-09-05. The source provides no guarantee of accuracy, timeliness or completeness.

Postal-place relationships are retained from individual source rows, without mixing localities and codes independently. Coordinates, population figures and unrelated gazetteer fields are not included in the browser data.

Cleaning rules and source limitations

Poland Address FAQ

Why is a voivodeship visible but not printed in the full address?

It is a source filtering field. The generated postal block follows the street plus postcode/locality layout, and the export retains the source region separately for testing.

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