Content
Letters forms
Forms related to Letters that you can fill out and mail online entirely with PostalForm. No PDF filling required or printing required.
• Updated Aug 9, 2026
Available forms
8 forms
Every form here gets the same treatment: preview the exact PDF and the exact price before you pay. No account needed.
Plain letter
Write a letter online, preview the generated PDF, add an optional signature or attachments, and mail it as physical postal mail.
Letter to Governor Gavin Newsom
Write and mail a focused physical letter to California Governor Gavin Newsom at the official governor's office address.
Letter to Governor Ron DeSantis
Write and mail a focused physical letter to Florida Governor Ron DeSantis at the official Executive Office of the Governor address.
Letter to King Charles III
Write, preview, print, and mail a respectful physical letter to King Charles III at Buckingham Palace using the Royal Family's published address.
Letter to President Donald Trump
Write, preview, print, and mail a physical letter to President Donald J. Trump at the White House using the public presidential correspondence address.
Letter to Prince William and Catherine, Princess of Wales
Write and mail one joint letter to Prince William and Catherine, Princess of Wales, at Kensington Palace using the Royal Family's published address.
Letter to Representative Alexandria Ocasio-Cortez
Write and mail a focused physical letter to Representative Alexandria Ocasio-Cortez at her published U.S. House office.
Letter to Senator Bernie Sanders
Write and mail a focused physical letter to Senator Bernie Sanders at his published U.S. Senate office.
Why this topic matters
These letters workflows are for mailings where the form, supporting documents, and proof of sending need to stay together. PostalForm turns selected printable PDFs and packet workflows into guided online steps, then generates a reviewable PDF before mailing.
How it works
- Choose the workflow that matches the packet you need to send
- Answer the guided questions and upload attachments when needed
- Review the generated PDF before checkout
- PostalForm prints and mails the packet through USPS