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Fax numbers

KfW

Find KfW office fax numbers for Frankfurt, Bonn and Berlin.

FinancialGermanyLast reviewed

Frankfurt headquarters

Frankfurt headquarters at KfW.

Bonn branch

Bonn branch at KfW.

Berlin branch

Berlin branch at KfW.

Which KfW fax number should I use?

These are office contacts. They do not establish a universal KfW loan or grant application route. Check the program: an application may need to go through a financing partner or another designated channel.

What to include in your fax to KfW

Send correspondence requested by the office handling your case. Submit funding applications and supporting documents through the program’s stated application process.

Check the destination and prepare your cover page

Name the KfW department, your contact person if known, the document title and the total page count. Provide a callback number. Put personal, policy or account details only where the recipient’s form requires them.

Open the official source above and check the current instructions. A reviewed source confirms a published number, not live availability. Toll-free numbers can still incur sending-service or international charges.

Confirm delivery and follow up with KfW

Keep the transmission result and a copy of the documents. Confirm with the receiving department that the packet is complete and can be processed; a delivery receipt does not establish acceptance or a decision. These are fax destinations, not voice support lines. Check with KfW before sending a duplicate.

How to fax KfW without a fax machine

Prepare a legible PDF, confirm the department and number, and review all pages before authorizing the fax. With DearFax, you can send online or prepare a workflow through ChatGPT, Codex and MCP. Save the transmission result with your records.

Frequently asked questions

KfW fax questions