PO Box vs virtual mailbox: a box you visit, or a street that scans

What a PO Box is

The USPS PO Box page calls it a locked mailbox inside a Post Office. Your mail waits there until you pick it up. Most locations have five sizes. The smallest holds 10 to 15 letters. The largest holds several packages. A package that does not fit is held at the counter or put in a parcel locker.

You rent the box for 3, 6, or 12 months. The 3-month term renews on its own, and the USPS page says you cannot opt out of that renewal. The 6-month and 12-month terms let you opt out. The page does not print a national price. It says the price depends on the location. Section 508.4.4.1 of the Domestic Mail Manual says the fee is set by the box size and the fee group of the 5-digit ZIP Code.

To open one, you fill out PS Form 1093 online or at the counter. You show two forms of ID. If you apply online, the USPS page says you have 30 days to bring the ID to that Post Office. After the clerk checks it, you get two keys or a combination.

The manual adds a few limits people do not expect. Only mail and official USPS notices go in the box. If your mail overflows the box on 12 of any 20 business days in a row, the post office can make you move to a bigger box or to caller service. A box may not be used mainly to get free forwarding.

What a virtual mailbox is

A virtual mailbox is a street address at a commercial mail receiving agency (CMRA). A CMRA is a private business the Postal Service lets receive mail for other people. Section 508.1.8 of the same manual covers it. Your address is the company's street, plus PMB or # and your box number. PMB means private mailbox.

USPS Form 1583 is the USPS form that authorizes a CMRA to accept your mail. You sign it with two IDs before the company can keep your mail. The steps are on Form 1583. After that, staff log each piece and photograph the outside. You choose what happens next: open and scan it, ship it to you, shred it, or hold it. How a virtual mailbox works follows one letter through those choices.

The private company sets the price. A monthly plan is the rent for the street. Scans, postage, check deposits, and shredding can cost extra. What a virtual mailbox costs lists what each company's own page printed when we read it. This page does not repeat those numbers.

PO Box vs virtual mailbox, side by side

Packages: the biggest practical difference

A plain PO Box address is for the Postal Service. A private carrier does not deliver to "PO Box 1234." That is why an online store sometimes refuses a PO Box at checkout.

Some post offices fix that with Street Addressing. The USPS page says that, where it is offered, you can use the Post Office's street address plus your box number. Packages from UPS, FedEx, DHL, and Amazon can then reach the box if they meet USPS mailing standards. Section 508.4.1.2 of the manual says the option is only at competitive locations, and it needs a customer agreement. The manual's example is "123 Main Street #4567." Section 508.4.5.4 caps those private-carrier packages at 70 pounds and 130 inches in combined length and girth.

A virtual mailbox takes private carriers by design, because its address is already a street. The company still decides which carriers, what counts as oversized, and how long it holds a box. Read its package page before a large order ships.

Which one a bank, the state, or Google will take

Neither product is a place where your business operates. Most problems start when someone types a mailbox into a field that asks where the company works.

KYC means Know Your Customer: the checks a bank uses to confirm who you are. Relay's help page, updated August 11, 2026, says an operating address cannot be a PO Box, a virtual mailbox, or a mailbox rental service. It can be a home address or a physical office. Mercury's address article says it does not accept a P.O. box, a virtual address, or a commercial mail receiving agency as the physical address. So for that field, both products fail. What banks accept reads the address fields one bank at a time.

Google Business Profile is the listing Google uses for Maps and search. Google's guidelines say P.O. boxes and mailboxes at remote locations are not acceptable. They also say a business that rents a mailing address but does not operate there is not eligible. A virtual mailbox does not pass that test any better than a PO Box.

State filings split the address into lines. Florida is a clear example. On the Florida LLC filing, the principal office must be a street, and a post office box is not allowed there. The mailing line can be a post office box. The registered agent needs a Florida street and a signature. A virtual mailbox is a street, so it can sit on a mailing line where a PO Box can too. It still does not act as the agent. A virtual address for an LLC walks through the lines for other states.

When a PO Box is the better buy

• You live or work near the post office and can stop by every few days.
• You mostly get letters, not packages from private carriers.
• You want to keep your home street off envelopes, and a box number is enough for the people who write to you.
• You want the Postal Service, not a private store, to hold the mail.

The manual has one more case. Section 508.4.5.2 says a box can be free (fee group E) when your address is inside that post office's delivery area and the Postal Service does not deliver to it. That is for people with no carrier delivery. It is one free box per delivery point.

When a virtual mailbox is the better buy

• You travel, live abroad, or move often, and cannot reach a post office lobby.
• You want to read a letter from your phone and decide later whether to ship it.
• Senders need a street line, or a store will not ship to a PO Box.
• You want the address in a city you do not live in.

Grade the room, not the ad. A company-run room means staff who work for the mailbox company handle the mail. VirtualPostMail runs its own rooms, and its mail grade on this site is a B. US Global Mail also runs its own rooms, with a B+. A store network is an app that sends your mail to a local packing store. iPostal1 is a C-. Anytime Mailbox is a C. PostScan Mail, which uses some rooms it runs and many stores, is a C+. The methodology page says how a letter is chosen.

The city decides which kind you can get. New York has a company-run room on Greenpoint Avenue in Long Island City. Los Angeles has one in Covina. Boston, Austin, and Nashville are store-network cities on this site: a street there is a packing store or a suite number sold by an app. Open the city page and read the street before you pay.

Can you have both

Yes. Some people keep a PO Box for personal letters and rent a street for business mail and packages. The two do not share a form. The PO Box uses PS Form 1093. The mailbox uses PS Form 1583. Neither one changes your home address with the post office.

If you are leaving a house, a USPS change of address reroutes mail still addressed to the old place for a set time. A PO Box or a virtual mailbox only gets mail that senders write to it. Update your bank, the IRS, and anyone else who mails you.

Questions people ask first