Certified Mail Envelopes | Where To Buy

: You must fill out Form 3800 (the green sticker) at the counter or pick them up for free to use at home.

The most common way to send Certified Mail is to visit a local Post Office. While you don't necessarily "buy" a specialized envelope there, you can purchase the service for any standard envelope. where to buy certified mail envelopes

For businesses or individuals who mail frequently, online services sell specialized envelopes that allow you to print barcodes and tracking information directly from your home or office printer. USPS-Approved Certified Mail Envelopes : You must fill out Form 3800 (the

: You can use your own white, manila, or recycled envelopes. or recycled envelopes.