License plate K: Registration district Köln & online processing
K · XX 1234
Profile of license plate prefix K
The official license plate prefix K is issued in the registration district Köln (Nordrhein-Westfalen). The locally responsible authority is Stadt Köln. Via the digital platform, you can reserve available K custom license plates, order DIN-embossed plates, and submit new registrations, transfers, and deregistrations directly online.
Competent registration authority for prefix K
Stadt Köln
Max-Glomsda-Str. 451105 Köln
Opening hours: Mo 07:00-14:00, Di 07:00-18:00, Mi 07:00-13:00, Do 07:00-16:00, Fr 07:00-13:00
Go to i-Kfz platform Köln →Public information of the competent authority – not part of this portal.
Digital platform services for Köln (K)
Select the desired procedure for the Köln registration district:
Frequently asked questions about prefix K (Köln)
- Which registration district issues the license plate prefix K?
- The official vehicle prefix K belongs to the registration district Köln in Nordrhein-Westfalen. The locally competent authority is Stadt Köln.
- How can I check and reserve available K custom license plates online?
- Via the digital license plate check, you can search for your desired combination with prefix K (1–2 letters and up to 4 digits), reserve it online, and order embossed DIN plates delivered by post.
- Are all i-Kfz services available online for vehicles with K plates?
- Yes. Via the i-Kfz platform for Köln, new registration, change of keeper, re-registration, deregistration, and address changes can be completed entirely online without an appointment.
- Can I keep my K license plate when moving or changing ownership?
- Yes. Under nationwide license plate retention rules, an existing K plate can continue to be used when moving or transferring ownership, provided the vehicle remains registered.
More license plate codes in Nordrhein-Westfalen
All license plate codes in Nordrhein-Westfalen →Last updated: 25.10.2026.
