Content
Mail Service forms
Forms related to Mail Service that you can fill out and mail online entirely with PostalForm. No PDF filling required or printing required.
• Updated Jul 12, 2026
Available forms
2 forms
Every form here gets the same treatment: preview the exact PDF and the exact price before you pay. No account needed.
USPS PS Form 1093 — PO Box Application
Prepare PS 1093 as an unsigned customer-assembly kit to prepare a USPS PO Box application for the customer to finish at the Post Office. PostalForm sends the printed kit only to you; you complete the remaining physical steps and submit it yourself.
USPS PS Form 1583 — Delivery of Mail Through Agent
Prepare PS 1583 as an unsigned customer-assembly kit to prepare USPS Form 1583 for execution with the customer’s commercial mail receiving agency. PostalForm sends the printed kit only to you; you complete the remaining physical steps and submit it yourself.
Why this topic matters
These mail service 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