Postal address:
Cologne Higher Regional Court
Postfach 10 28 45
50468 Köln
Access to the overnight mailbox
The overnight mailbox, which can be used in order to comply with deadlines, is located on the right of the main entrance, and is barrier-free and accessible.
Switchboard
0221 7711-0
Central fax
0221 7711-600 (jurisprudence)
0221 7711-700 (administration)
Email:
E-mail may only be used for informal communication outside pending proceedings. The Oberlandesgericht Köln does not accept service of legal documents, including, but not limited to, motions, pleadings or written submissions, via e-mail. Further legal notice
In North Rhine-Westphalia, ‘Electronic Access to Justice’ is available in some cases. For more information, visit www.justiz.nrw.de 
I have read the above and would like to send an e-mail to
Press Officer and contact person for international relations:
Dr. Georg Winkel, Judge at the Higher Regional Court
Telephone: 0221 7711-350
Fax: 0211 87565 112-491
Mobile: 0172 9405240
E-Mail: Georg.Winkel@olg-koeln.nrw.de 
postal address: Oberlandesgericht Köln, Dr. Georg Winkel, Postfach 10 28 45, 50468 Köln