Geico Fax Number is (866) 955-3146 .
Once your vehicle is added to your policy, please have your dealer complete and sign the form, and fax it to GEICO, Attn: your policy number, at (866) 955-3146.
The Government Employees Insurance Company (GEICO) is an American auto insurance company with headquarters in Chevy Chase, Maryland. It is the second largest auto insurer in the United States, after State Farm.