Sending a Check by Mail: Tracking and Delivery Options

Service update — October 20, 2026: Certified Mail is no longer available for purchase because of unreliable delivery and tracking. Existing Certified Mail credits can still be used to send Certified Mail checks. New purchases are limited to First-Class Mail, Priority Mail, and Priority Mail Express; Priority Mail and Priority Mail Express include USPS tracking.

Check fraud is surging to unprecedented levels. Recent reports indicate that check fraud losses were projected to reach $24 billion by the end of 2024, according to Recorded Future. Furthermore, the 2025 AFP Payments Fraud and Control Survey found that 63% of organizations experienced attempted or actual check fraud in 2024.

The problem isn't just sophisticated digital attacks; it's physical theft. In FY2024 alone, the USPS recorded over 52,000 high-volume mail theft attacks—a staggering 156% increase since 2019 (FEDweek).

In this environment, dropping a standard envelope in a blue mailbox feels like a gamble. If you are sending a rent payment, a legal settlement, or a high-value invoice, you cannot afford for the check to get "lost in the mail" or intercepted by thieves.

USPS Certified Mail provides mailing and delivery records, but it does not prevent loss or guarantee reliable tracking updates. Check Supply has stopped selling Certified Mail credits after repeated delivery and tracking problems. Existing credits remain usable for Certified Mail checks.

What is Certified Mail?

Certified Mail is a special USPS service that provides the sender with a mailing receipt and electronic verification that an article was delivered or that a delivery attempt was made.

USPS offers the following documentation features with Certified Mail:

1. Proof of Mailing: You get a physical receipt stamped by the Post Office proving you sent it.
2. Tracking: You receive a unique tracking number to follow the envelope's journey.
3. Signature Required: A human being at the delivery address must sign for the letter. It is not just left in a mailbox where it can be stolen.
4. Legal Record: The delivery record is kept by the USPS for two years, serving as evidence in legal disputes (e.g., proving you paid rent on time).

If your recipient requires Certified Mail documentation, confirm its requirements before sending. You can use an existing Check Supply Certified Mail credit, or arrange the service directly with USPS. Additional Certified Mail credits are no longer sold.

How to Send Certified Mail Yourself

If you want to do this yourself, be prepared for a trip to the Post Office. You cannot simply drop Certified Mail in a blue collection box if you want the stamped receipt as proof of mailing.

Here is the step-by-step process to send a check via Certified Mail manually:

Step 1: Gather Your Supplies

Before you even leave the house, you need the basics.

• Checkbook: You need to have ordered checks (often $20+ per box).
• Security Envelope: To prevent people from seeing the check through the paper.
• Stamps: Although you will pay at the counter, you often need these for regular mail.

Step 2: Go to the Post Office

You must visit a physical USPS location.

• Gas & Mileage: Drive to your local branch.
• Time: Factor in the drive time plus the wait. Post Office lines can easily take 10–20 minutes during lunch hours or busy seasons.

Step 3: Fill Out PS Form 3800 (The Green & White Sticker)

Find the rack of forms in the lobby. You need PS Form 3800.

• This is a green and white barcoded sticker.
• Write the recipient’s name and address at the bottom of the sticker.
• Peel the backing off the barcode portion and place it at the top of the envelope, to the right of the return address. Leave room on the top right for postage.
• Keep the bottom part (the perforated receipt) attached for now; the clerk needs to stamp it.

Step 4: Optional - Return Receipt (The "Green Card")

If you want physical proof of the signature mailed back to you, you need PS Form 3811 (the "Green Card").

• Fill out your name and address on the back (so it comes back to you).
• Fill out the recipient's details on the front.
• Attach this card to the back of your envelope.
• Note: This costs extra, but it provides a physical copy of the signature.

Step 5: Wait in Line and Pay

Take your prepared envelope to the counter.

• The postal clerk will weigh your letter.
• You will pay for First-Class Postage + the Certified Mail Fee + the Return Receipt Fee (if you chose it).
• Crucial Step: The clerk will stamp the bottom portion of your PS Form 3800 (the white receipt) and hand it back to you. Do not lose this. This is your legal proof that you mailed the check on this date.

Total Hidden Cost

When you add up the cost of the check, the envelope, the gas, and—most importantly—30 to 60 minutes of your time, the "cost" of sending a Certified Mail check yourself is far higher than just the postage fee.

Send a check with Check Supply

With Check Supply, you can send a check from your phone or browser. We handle printing, postage, and mailing.

1. Enter the payment: Add the amount and recipient’s mailing address.
2. Choose a mailing service: Select First-Class Mail, Priority Mail, or Priority Mail Express.
3. Review and send: Confirm the price and delivery estimate before submitting.
4. Follow its progress: Check printing and mailing status in your account. Priority Mail and Priority Mail Express include USPS tracking where scans are available.

Tracking does not prevent mail loss or guarantee arrival. Confirm any documentation requirements with the recipient before sending.

Frequently Asked Questions (FAQ)

Is it safe to mail a check?

Mailing a check carries risks of loss, delay, theft, and fraud. Tracking and delivery records help you monitor progress, but they do not eliminate those risks. Check Supply offers Priority Mail and Priority Mail Express with tracking; confirm recipient requirements before mailing.

How much does Certified Mail cost?

If you do it yourself, you pay the postage (~$0.73) + Certified fee (~$4.60) + optional Return Receipt (~$3.65). However, the real cost includes purchasing checkbooks and envelopes, gas for your car, and the time spent driving to and waiting at the Post Office.

What is the most reliable way to send a check?

No mail service prevents every loss or delay. Check Supply offers Priority Mail and Priority Mail Express for tracked delivery. Choose a service that meets your timing needs, monitor available tracking, and confirm any required mailing or delivery documentation with the recipient.

What should I do if I sent a check and it got lost?

If you sent a standard check and it hasn't arrived, you should contact your bank immediately to place a stop payment. This prevents the check from being cashed if it was stolen. For a detailed guide on handling this situation, read our article on what to do if your bill pay check is lost in the mail.

Can I track a regular stamp?

No. Standard First-Class stamps do not come with tracking. If you put a regular stamp on an envelope and drop it in a blue box, you have no way of knowing if it arrived or if it was stolen. For tracking through Check Supply, choose Priority Mail or Priority Mail Express.

Is Certified Mail faster than regular mail?

Generally, no. Certified Mail travels with regular First-Class Mail, taking about 3 to 5 business days. The value is in the security and tracking, not the speed. If you need speed, you should look into Priority Mail Express. Check Supply offers First-Class Mail, Priority Mail, and Priority Mail Express; Certified Mail is no longer available for purchase, but existing Certified Mail credits can still be used in the app.