How Much is a PO Box Monthly – Let’s Find Out!

Since mail has been delivered, the existence of PO boxes is there. Having a P.O. box lets you feel safe when you need to manage mail. If you don’t want your mail to be delivered to your home, you can manage it safely without any theft activity. For this, people often seek an answer to the question of how much a PO box costs monthly.
In 2020, the United States had 160 million PO boxes, and the number is still skyrocketing each year. It clearly indicates that people need to have a P.O. box, and they need more details about the cost of a P.O. box.
What is a P.O. Box?
Basically, a P.O. box is a customized, secure, and private mailbox that you can have in the United States linked with the United States Postal Service (USPS). It is a highly convenient option for those having a small business because they need an alternative to a physical street address. It also helps in separating your professional mail box from your personal mail. USPS lets you hire a P.O. box for business needs. Setting up a PO box for official usage, you’ll get a unique number used for sending and receiving mail. You’ll get an email at the given address.
- Inside a Post Office, you’ll have a locked box called a Post Office Box.
- Every box present in the post office has a unique number address used for sending as well as receiving your mail or packages.
- Mostly, Post Office locations let you have access 24/7. However, duration and hours may vary depending on the location.
- You’ll get two keys for accessing your box once you set up a P.O. Box at the Post Office.
How Much a PO Box Monthly?

The cost may vary depending on the location, services included, and the size. The approximate prices range from $4.67 to $23.67 monthly. Let’s explore different factors that affect the prices of a PO Box.
Apart from that, we have some other factors covered below:
PO Box Prices Based on Size

Basically, it comes in five sizes and you can choose according to your needs, budget, the types of mail you get, and whether you’ll use it regularly or not.
Mostly, the PO boxes are 14.75 inches in depth.
Also, you need to remember that at every location, you won’t get all the sizes. However, standard sizes are always there:
Size 1 – XS
The smallest size of a PO box is 3 by 5.5 inches. It lets you accommodate 10 to 15 letters and three rolled magazines. If you don’t have packages to be delivered or mail is not received regularly, this size fits best for your needs.
It is also a perfect size for those who will collect mail daily from the PO box, so that it won’t get filled up. The cost depends on the location and length of the contract; this size will cost you at least $4.67 per month.
Size 2 – S
The next size of a PO box is 5 by 5.5 inches. The starting price is $6.00 per month. At some points, the maximum price is as high as $38.50 per month for a 6-month duration. In this size, you can accommodate 15 letters, up to five rolled magazines, or one small box. When your business gets multiple letters, bills, and other stuff weekly, you can hire this size of a P.O. box.
Size 3 – M
The next postal box size price starts from $9.00 monthly. The measurements of this box are 5.5 x 11 inches, which can hold multiple magazines plus small packages you get. People with small businesses or families can have this size of a PO box to receive mail and packages daily.
If you need documents to be unfolded, this size of PO box is well-suited.
Size 4 – L
The price starts from $13.33 monthly for the size L PO box that measures 11 x 11 inches. The maximum price for this size can be $71 per month for the duration of 6 months. This size can let you have small and medium flat rate boxes that measure around 8 x 5 x 1 inches.
Whereas a medium box has two different sizes: 11 x 8 ½ x 5 ½ inches and 13 5/8 x 11 7/8 x 3 3/8 inches. With this size, you can hold parcels as well as up to 15 letters.
Size 5 – XL
The most expensive size of a PO box is XL. Also, it is the largest size that USPS offers at the price of $23.00 per month. Sometimes this size can go as high as $106.50 monthly for the duration of six months. People with large businesses that need more space for their parcels or bubble envelopes, or other letters every month, this size is ideal.
This PO box measures 12 x 22.5 inches, which is a huge space for all the stuff.
Extra Fees and Hidden Charges

- You may have to bear some additional charges that might be hidden sometimes.
- You’ll have to pay the application processing fee, which is $0-$25 depending on the location.
- You’ll have to bear the key deposit charges that are refundable when you return the key. The charges are $20 – $50.
- If you need to change the lock, you’ll have to pay for it. The charges are $25 – $40.
Service Enhancement Charges
- If you want to activate call notifications, you have to pay $5 – $15 monthly.
- If you need to activate the package acceptance, the charges are $10 – $25 monthly.
- For mail forwarding, you need to pay $20 – $40 monthly.
Final Thoughts
So now, you have an idea of how much is a PO Box monthly. You can hire a PO box as per your needs, budget, and other factors mentioned above. You have almost full details about the prices you may have to bear once you rent out a PO Box from USPS.






