You can configure a verifier to include the Gmina Code PL, TERYT Locality Identifier PL, and TERYT Street Identifier PL as enrichments for validated Poland addresses.
Official Register of the Territorial Division of the Country (TERYT) is the agency responsible for identifiers and names of territories, localities, roads, and buildings in Poland. Gmina is the Polish equivalent of communes or municipalities. TERYT assigns and manages Gmina code and TerytIDs.
For example, when you validate
ul. Laskowa 1
50-510 Wrocław
POL
A verifier returns the following enrichment values:
Gmina Code PL: 2183
TERYT Locality Identifier PL: 0986544
TERYT Street Identifier PL: 10666