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The online service iKfz-Plattform Thüringen is the independent online platform for internet-based vehicle registration (i-Kfz) in Thüringen.

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License plate SON: Registration district Sonneberg & online processing

SON · XX 1234

Profile of license plate prefix SON

The official license plate prefix SON is issued in the registration district Sonneberg (Thüringen). The locally responsible authority is Landratsamt Sonneberg. Via the digital platform, you can reserve available SON custom license plates, order DIN-embossed plates, and submit new registrations, transfers, and deregistrations directly online.

Order SON license plates online →Check SON custom plate

Competent registration authority for prefix SON

Landratsamt Sonneberg

Bahnhofstr. 66
96515 Sonneberg

Opening hours: Mo 08:00-12:00, Di 08:00-12:00 14:00-16:00, Mi 08:00-12:00, Do 08:00-12:00 14:00-17:30, Fr 08:00-12:00, Sa-So geschlossen

Go to i-Kfz platform Sonneberg →

Public information of the competent authority – not part of this portal.

Digital platform services for Sonneberg (SON)

Select the desired procedure for the Sonneberg registration district:

New registration→Re-registration→Transfer of ownership→De-registration→Change of address→Personalised plate→Licence plates→Green emissions sticker→Car insurance & eVB→

Competent registration authority for prefix SON – Sonneberg (16)

Frequently asked questions about prefix SON (Sonneberg)

Which registration district issues the license plate prefix SON?
The official vehicle prefix SON belongs to the registration district Sonneberg in Thüringen. The locally competent authority is Landratsamt Sonneberg.
How can I check and reserve available SON custom license plates online?
Via the digital license plate check, you can search for your desired combination with prefix SON (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 SON plates?
Yes. Via the i-Kfz platform for Sonneberg, new registration, change of keeper, re-registration, deregistration, and address changes can be completed entirely online without an appointment.
Can I keep my SON license plate when moving or changing ownership?
Yes. Under nationwide license plate retention rules, an existing SON plate can continue to be used when moving or transferring ownership, provided the vehicle remains registered.

More license plate codes in Thüringen

All license plate codes in Thüringen →

Last updated: 25.10.2026.

Federal Motor Transport Authority (KBA)

As an official member, we work in close cooperation with the Federal Motor Transport Authority (KBA) and the Federal Ministry for Digital and Transport (BMDV). We actively support public authorities in advancing digital vehicle registration processes in Germany safely and efficiently.

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    SON license plate (Sonneberg) – registration office & online registration | iKfz-Plattform Thüringen