Which registration district issues the license plate prefix SY?

The official vehicle prefix SY belongs to the registration district Diepholz, Syke in Niedersachsen. The locally competent authority is Landkreis Diepholz.

How can I check and reserve available SY custom license plates online?

Via the digital license plate check, you can search for your desired combination with prefix SY (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 SY plates?

Yes. Via the i-Kfz platform for Diepholz, new registration, change of keeper, re-registration, deregistration, and address changes can be completed entirely online without an appointment.

Can I keep my SY license plate when moving or changing ownership?

Yes. Under nationwide license plate retention rules, an existing SY plate can continue to be used when moving or transferring ownership, provided the vehicle remains registered.

License plate SY: Registration district Diepholz, Syke & online processing

SY · XX 1234

Profile of license plate prefix SY

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

Order SY license plates online →Check SY custom plate

Interactive Custom License Plate Format Checker

Test your desired combination against official KBA format rules (maximum 8 characters, permitted letter and number sequence) and check live availability.

★DSY•AB123

Total characters (max. 8): 7 / 8

District code

1–2 letters

1–4 digits

Suffix

Combination meets official KBA format requirements (§ 9 FZV).

Official fee: €12.80 (€10.20 custom plate + €2.60 reservation under GebOSt)

SY-Schilder nach Stückzahl & Ausführung direkt anfordern

DIN 74069 zertifizierte Heißprägung für Diepholz, Syke – das Ortskürzel SY ist im Konfigurator bereits voreingestellt.

★ 4,8 / 5 · DIN CERTCO geprüft

SY PKW 2er-Set (Front & Heck)19,90 €

520 × 110 mm · DIN-geprägt · Bestseller

9,95 € / SchildJetzt konfigurieren →

SY Einzelschild (1 Stück)11,95 €

520 × 110 mm · Ersatzschild / Anhänger

Sofort lieferbarJetzt konfigurieren →

SY 3er-Set (inkl. Fahrradträger)26,85 €

3 × 520 × 110 mm · Sparpaket

nur 8,95 € / SchildJetzt konfigurieren →

SY E-Kennzeichen (2er-Set)19,90 €

Für Elektroautos & Plug-in-Hybride

Ohne E-AufpreisJetzt konfigurieren →

SY Motorrad-Kennzeichen11,95 €

180 × 200 mm / 200 × 200 mm zweizeilig

1 Stück DIN-geprägtJetzt konfigurieren →

SY 3D Carbon-Optik (2er-Set)29,90 €

Edle Sport-Optik · DIN CERTCO zertifiziert

100 % amtlich zugelassenJetzt konfigurieren →

Competent registration authority for prefix SY

Landkreis Diepholz

Niedersachsenstr. 2
49356 Diepholz

Opening hours: Mo-Di 07:30-17:00, Mi 07:30-15:00, Do 07:30-18:30, Fr 07:30-13:00

Go to i-Kfz platform Diepholz →

Landkreis Diepholz

Amtshof 3
28857 Syke

Opening hours: Mo 07:30-17:00, Di 07:30-18:30, Mi 07:30-15:00, Do 07:30-18:30, Fr 07:30-13:00

Go to i-Kfz platform Syke →

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

Digital platform services for Diepholz (SY)

Select the desired procedure for the Diepholz registration district:

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

Frequently asked questions about prefix SY (Diepholz, Syke)

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

More license plate codes in Niedersachsen

All license plate codes in Niedersachsen →

Last updated: 26.10.2026.