OR·Poland

Issued in Ostrołęka (1975–1998)

No longer issued, but plates with this code may still be on the road.

This meaning is from an older system (1976–2000). Plates issued today use other codes, but older cars still carry it.

Assigned to the voivodeship but never issued.

Ostrołęka (1975–1998)

Voivodeship · Seat: Ostrołęka

Abolished in 1998. The map shows today's units, so it is not drawn there.