This form is to only be used to add visa pages to a previously issued, currently valid U.S. passport. If you submit the form by mail, send application form to: Using U.S. Postal Service: National Passport Processing P.O. Box 13408 Philadelphia, PA 19101-3408 Using Another Delivery Service: National Passport Processing ATTN: Department 13408 1617 Brett Road New Castle, DE 19720 Availability: Usually ships the next business day. DSP-4085 Application For Additional Visa Pages DSP4085$5.95