What are the opening hours of the registration authority in Sien?

The regular counter hours of the authority in Sien (Landkreis Birkenfeld) are: Mo-Fr 08:00-11:45, Do 15:30-17:45. Via the digital i-Kfz platform, you are not bound by these hours and can register or deregister your vehicle online 24/7.

Do I need an appointment for online registration in Sien?

No. When you complete new registration, transfer, deregistration, or custom plate reservation via the online platform, no visit to the authority is required. Certificates, stickers, and plates are sent by post.

Which documents are required on the platform for Sien?

For digital submission you need a valid ID card or passport, registration certificate part I and part II (with security codes), and the 7-character eVB insurance number.

Which license plate prefixes are issued in Sien?

In the registration district Sien, the official license plate prefix(es) BIR are issued.

Is iKfz-Zulassung Rheinland-Pfalz a government authority?

No. iKfz-Zulassung Rheinland-Pfalz is an independent private online platform. Technical application processing is carried out via our service partner registered with the Federal Motor Transport Authority (KBA).

Registration office Sien – online registration & info

Official license plate codes:BIR

Platform overview for Sien

Via the digital i-Kfz platform for Sien (55758) (license plate code: BIR), all standard vehicle procedures can be completed paperlessly: new registration, re-registration, deregistration, transfer of ownership, change of address, emissions sticker, and custom license plate reservation. For vehicle owners in Sien (55758), the competent registration authority is Landkreis Birkenfeld in 55743 Birkenfeld – with online registration, you save the trip to Birkenfeld. You need a valid ID card or passport, registration certificate parts I and II (with security codes), and the electronic insurance confirmation (eVB). Submission is handled directly online through our registered service partner – without an appointment at the authority.

Digital i-Kfz services on the platform for Sien

Select your desired procedure for the Sien registration district. You will find all local requirements and direct access to online processing.

New registration

Register a new vehicle in Sien: online, without an appointment at the registration office. Required documents, process, fees and contact details of the responsible authority in Sien.

Start registration online

Re-registration

Re-register a de-registered vehicle in Sien – online, no appointment. Documents, process and contact of the Sien registration office.

Start re-registration online

De-registration

De-register a vehicle in Sien (take out of service): online, without an appointment. Documents, process and contact of the Sien registration office.

Start de-registration online

Transfer of ownership

Transfer a vehicle in Sien: on change of keeper, purchase or relocation – online, no appointment. Documents, process and contact of the Sien registration office.

Start transfer online

Change of address

Change the keeper address in Sien after moving – online, no appointment. Documents, process and contact of the Sien registration office.

Start change of address online

Green emissions sticker

Order the official green emissions sticker (level 4) for Sien online – printed with your licence plate for all German low-emission zones.

Order emissions sticker online

Personalised plate

Reserve a personalised plate in Sien: check availability online and reserve with the registration office. Process and contact for Sien.

Reserve personalised plate

Licence plates

Order licence plates for Sien online: embossed to standard, delivered by post. Sizes, types and information for Sien.

Order plates online

Car insurance & eVB

Compare car insurance rates for Sien, save on premiums and receive your 7-digit electronic insurance confirmation (eVB number) immediately.

Compare rates & get eVB

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.

★DBIR•AB123

Total characters (max. 8): 8 / 8

District code

BIR

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)

Duration & overview of digital vehicle services in Sien

Key benchmarks for digital vehicle procedures in the registration district Sien (BIR):

Procedure in Sien	Input time	Key documents	Direct link
Vehicle deregistration	~3 min	Part I + plate security codes	Deregistration Sien →
Transfer / change of keeper	~5 min	Parts I & II, eVB number, ID	Transfer Sien →
New registration	~5 min	Part II, CoC document, eVB number	New registration Sien →
Re-registration	~5 min	Parts I & II, eVB number, valid inspection (HU)	Re-registration Sien →
Custom plate (BIR)	~2 min	Desired combination & keeper details	Custom plate Sien →

Local vehicle registration authority for Sien

Public information of the competent authority (Landkreis Birkenfeld) – not part of this service.

Competent authority for Sien (55758): Landkreis Birkenfeld

Georg-Maus-Str. 1
55743 Birkenfeld
Rheinland-Pfalz

On-site opening hours: Mo-Fr 08:00-11:45, Do 15:30-17:45

Open in Google Maps →

Authority contact & available services in Sien

Phone:: 0678164159
Email:: kfzzulassung@idar-oberstein.de

Supported procedures in the Sien district

New registration
Re-registration
De-registration
Transfer of ownership
Change of address
Green emissions sticker
Personalised plate

4 steps on the digital platform for Sien

11. Have vehicle documents readyKeep your ID document, registration certificate parts I & II (with security codes), and your eVB code at hand.
22. Select your online procedureOpen the required i-Kfz service (new registration, transfer, deregistration, or custom plate) on the platform.
33. Submit digitallyEnter vehicle and keeper details online, verify your identity digitally, and submit your application directly.
44. Drive immediately & receive by mailStart driving right away with your provisional certificate; official documents, stickers, and plates arrive by mail.

Questions & answers about the digital platform in Sien

All FAQ for Sien Guides Sien

What are the opening hours of the registration authority in Sien?: The regular counter hours of the authority in Sien (Landkreis Birkenfeld) are: Mo-Fr 08:00-11:45, Do 15:30-17:45. Via the digital i-Kfz platform, you are not bound by these hours and can register or deregister your vehicle online 24/7.
Do I need an appointment for online registration in Sien?: No. When you complete new registration, transfer, deregistration, or custom plate reservation via the online platform, no visit to the authority is required. Certificates, stickers, and plates are sent by post.
Which documents are required on the platform for Sien?: For digital submission you need a valid ID card or passport, registration certificate part I and part II (with security codes), and the 7-character eVB insurance number.
Which license plate prefixes are issued in Sien?: In the registration district Sien, the official license plate prefix(es) BIR are issued.
Is iKfz-Zulassung Rheinland-Pfalz a government authority?: No. iKfz-Zulassung Rheinland-Pfalz is an independent private online platform. Technical application processing is carried out via our service partner registered with the Federal Motor Transport Authority (KBA).

Digital i-Kfz platforms in other federal states

You complete the digital procedures directly with our service partner: Order licence plates online.