Postoffice Com Apr 2026

: You can get free Priority Mail boxes and envelopes at USPS retail locations or order them online for free home delivery.

If you are assembling a physical package yourself (such as for a passport application or a USCIS filing), the USCIS Lockbox suggests this order: (if required) on top. Payment (fee forms or checks). Cover forms (like e-Notification requests). Main application forms . Supporting documentation . 3. Tips for Self-Mailing postoffice com

: A USPS-recommended vendor that lets you upload a document or list, which they then print and mail as letters or postcards the next business day. : You can get free Priority Mail boxes

: A private service that allows you to send physical mail online. They handle the printing (B&W or color) and mailing via First Class, Certified, or Priority Mail. Cover forms (like e-Notification requests)