JustFax OnlineFax Numbers in Germany
Official fax numbers for government agencies, businesses, and institutions, with source and date checked
German Federal Central Tax Office (BZSt)
Main fax of the Federal Central Tax Office in Bonn, responsible for e.g. tax identification numbers, VAT ID numbers and refunds of German withholding tax for foreign residents.
Source: bzst.de, checked October 5, 2026
Renten Service der Deutschen Post (pensions paid in Germany)
For recipients of a German statutory pension that is paid into an account in Germany, e.g. to report a change of address or bank details. If your pension is paid abroad, use the international fax.
Source: deutschepost.de, checked October 5, 2026
Renten Service der Deutschen Post (pensions paid abroad)
For recipients of a German statutory pension who live outside Germany and receive their pension abroad, e.g. to send a life certificate or report new bank details. If your pension is paid in Germany, use the domestic fax.
Source: deutschepost.de, checked October 5, 2026
German Patent and Trade Mark Office (DPMA)
Patent, utility model and trademark applications, submissions in existing proceedings and general enquiries. Design applications cannot be filed by fax.
Source: dpma.de, checked October 5, 2026
Deutsche Rentenversicherung Bund
Central fax of Germany's federal pension insurance in Berlin, e.g. for pension applications, supporting documents or changes to your details. Include your insurance number (Versicherungsnummer).
Source: deutsche-rentenversicherung.de, checked October 5, 2026