The identifier is not a standard U.S. five-digit ZIP code. However, it is most commonly associated with APO AE 09017 , which serves the Forward Operating Base (FOB) Powidz in Poland.
: AE is used for military personnel stationed in Europe, the Middle East, Africa, and Canada. Strategic Significance of Powidz 090172 zip
: APO AE (Army Post Office, Armed Forces Europe). The identifier is not a standard U