
Getting started with a PO Box number is easier than you think. You can rent a PO Box at a post office or mail facility.
To rent a PO Box, you'll need to provide some basic information, such as your name and address. You can usually do this in person or online, depending on the facility.
PO Box sizes vary, but most standard boxes are around 5-10 inches wide and 10-12 inches deep. You can choose the size that best fits your needs.
The cost of a PO Box rental will depend on the facility and the size of the box, but expect to pay between $10 and $50 per month.
Writing a PO Box Number
Writing a PO box number is a straightforward process that requires just a few details. You'll need to include 'PO box,' followed by the number of the PO box.
To enter the PO box number, simply write it after the recipient's name or organization. This is a crucial step in ensuring that mail is delivered to the correct location.

The USPS prefers to deliver letters directly to PO boxes, so it's essential to include the PO box number in the correct format. This helps the postal service to easily identify and deliver mail to the correct address.
Here's a step-by-step guide to writing a PO box number:
- Write 'PO box' followed by the number of the PO box.
- Make sure to include the PO box number in the correct format to avoid any confusion.
For example, if the PO box number is 1408, you would write it as 'PO box 1408'.
USPS Mail Delivery
The USPS prefers delivering to PO Boxes over street addresses because it's cheaper and more efficient.
You can get USPS to deliver your mail to your physical address instead of your PO Box address by listing your home address on the first line and the PO Box address on the second line.
The USPS Pub. 28 says that if the address has validated data in both the first line and second line, and you list the physical address first, then your mail will be delivered to the physical address.
To get your mail delivered to a PO Box address instead of a physical address, simply swap the address lines and list the PO Box address on the first line.
Writing a PO Box address requires only a few basic details, including the box number and the post office name.
The USPS makes regular deliveries to PO Boxes and street addresses all around the US, but it's always a good idea to double-check the address to ensure it's correct.
If you're sending mail to someone's PO Box but don't have all the information, you can use an address lookup to find their PO Box number.
PO Box Usage
Renting a PO Box is a straightforward process that can be completed online or in-person. You can search for available PO boxes by entering a specific post office address or ZIP Code on the USPS website.
A PO Box provides greater privacy than using a residential address, especially for those with a home-based business or who want to keep their address private for security reasons. With a PO Box, you can also enjoy 24/7 access to your mail without requiring someone to be present.
Here are some key benefits of renting a PO Box:
- Privacy: Using a PO Box address provides greater privacy than using a residential address, especially for those with a home-based business or who want to keep their address private for security reasons.
- Security: PO Boxes offer a secure way to receive mail, as postal mail is delivered directly to the post office rather than to a mailbox outside a home or business where mail theft can occur.
- Convenience: PO Boxes can be accessed 24/7 without requiring someone to be present to receive deliveries.
- Cost efficiency: PO Boxes are often more cost-effective than maintaining a physical address, making them a budget-friendly choice.
- Flexibility: A PO Box moves with you, providing a stable mailing address for businesses.
- Professionalism and credibility: A PO Box adds a professional touch and instills confidence in clients and potential customers.
You can rent a PO Box online or in-person, and the process typically takes about 20 minutes to complete.
Writing Invalid & Valid Addresses in Same Line
Writing an invalid and valid address in the same line can be a bit tricky. The USPS address standardization system will first standardize the address as it normally does.
The primary address line should always be the valid address, not the invalid one. This is because the system will detect the valid address, bring it up front, and assign it as address line 1.
The invalid part of the address will be pushed down to address line 2 by the USPS address standardization system. This is because the system treats it as "extra information."
However, something that seems irrelevant to the system could still be necessary for the delivery person. This is why the USPS address lookup system does not disregard invalid addresses.
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Here's an example of how this works:
In this example, the USPS system will detect the valid PO Box address and assign it as address line 1, pushing the invalid address to address line 2.
Business Usage Guide
If you're considering using a PO Box for your business, it's essential to register for one in a few easy steps, which can be done in a few days.
To rent a PO box, you'll need to consider the location, as it's crucial to your business objectives. For example, if your office is outside the city, you may need a valid address in a customer-dense locality.
You should pay attention to the location before filling out a form and signing up for a USPS PO box. The second aspect to consider is which organization is best to rent a PO box from, as some companies want to explore more choices other than the Post Office.
Explore further: Usps Post Office Box Street Address
Here are some key factors to consider when renting a PO box:
- What is your budget to rent a business mailbox?
- Does the PO box offer a 24/7 pickup service?
- What type of mail items does your company receive?
- On what days can you pick up your mailpieces?
- Which benefits can you avail of with a PO box?
To get a PO box online, you can jump on the USPS website, navigate to the PO BOX section, and go through the application process. You'll have a chance to search for available PO boxes by entering in a specific post office address or a ZIP Code.
A PO box can be accessed 24/7 without requiring someone to be present to receive deliveries, making it a convenient option for businesses. Using a PO box address provides greater privacy than using a residential address, especially for those with a home-based business or who want to keep their address private for security reasons.
You can use a PO box as an address, but you'll need to have a physical or street address to back it up. The USPS does not let people opt for a PO box without a physical or street address.
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Shipping is Simple

You can send mail to a PO Box address by swapping the address lines and listing the PO Box address first. This tells the USPS to prioritize delivery to the PO Box.
To address a letter or package to a PO Box, you need to add the box number of the recipient first, followed by the physical address. For example, PO Box 24 Houston, TX 70003.
You can have two valid addresses on a mailpiece, one for a PO Box and one for a physical address. By listing the PO Box address, you're informing the USPS of your delivery preference.
Listing the PO Box address first is key, as it tells the USPS to deliver the mail to the PO Box address.
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PO Box Benefits and Drawbacks
Having a PO Box address has its pros and cons. One of the main drawbacks is the cost, which can be a financial burden for individuals or businesses on a tight budget.

PO Box sizes may be limited, making it difficult to receive larger packages or large amounts of mail. This can require upgrades to larger box sizes at an additional cost.
Some private carriers, like UPS or FedEx, may not deliver packages to PO Box addresses, which can be a disadvantage for businesses that rely on these services.
Here are some key drawbacks to consider:
- Cost: PO Box addresses require a fee for the rental period.
- Limited space: PO Box sizes may be limited.
- Limited package delivery: Private carriers may not deliver packages to PO Box addresses.
- Limited access hours: PO Boxes may have restricted business hours at the local post office.
Cons of Having
Having a PO Box address can be a hassle, especially if you're on the move. Changing your address is notoriously difficult, and if you move frequently, updating your mailing address can be a real pain.
One of the main concerns with traditional PO Box addresses is that they're not as private or secure as you might think. A little digging can connect the dots to find your physical address from a PO Box address, compromising your privacy and security.
You'll also have to visit the post office regularly to collect your mail, which defeats the purpose of having a PO Box in the first place.

Here are some of the key cons of having a PO Box address:
- Cost: PO Box addresses require a fee for the rental period, which can financially burden individuals or businesses on a tight budget.
- Limited space: PO Box sizes may be limited, making it difficult to receive larger packages or large amounts of mail and requiring upgrades to larger box sizes at an additional cost.
- Limited package delivery: Private carriers like UPS or FedEx may not deliver packages to PO Box addresses, which can be a disadvantage for businesses that rely on these services.
- Limited access hours: PO Boxes may have restricted business hours at the local post office, requiring individuals to plan their visits accordingly.
Benefits of Having an Address
Having a PO Box address offers numerous benefits that can enhance your personal and professional life. With a PO Box, you can enjoy greater privacy, as your residential address remains confidential.
Using a PO Box address provides a secure way to receive mail, as postal mail is delivered directly to the post office, reducing the risk of mail theft. This is especially beneficial for those with a home-based business or who value their address for security reasons.
One of the most convenient aspects of having a PO Box is that it can be accessed 24/7 without requiring someone to be present to receive deliveries. This flexibility is perfect for those with busy schedules or who travel frequently.
A PO Box can also be a cost-effective option, as it eliminates the need to maintain a physical address, which can save you money in the long run. This makes a PO Box a budget-friendly choice for individuals and businesses alike.

For businesses, having a PO Box address can add a professional touch and instill confidence in clients and potential customers. A PO Box provides a stable mailing address that can move with you, making it an ideal solution for entrepreneurs and small business owners.
Here are the key benefits of having a PO Box address:
- Privacy
- Security
- Convenience
- Cost efficiency
- Flexibility
- Professionalism and credibility
PO Box Process and Requirements
To rent a PO box, you'll need to provide identification and proof of address, such as a driver's license and utility bill.
You can usually rent a PO box for a monthly fee, which varies depending on the location and size of the box. Some post offices also offer special rates for students, seniors, or military personnel.
Before renting a PO box, check with the post office to see what their requirements are and what services they offer, such as package holding or mail forwarding.
Validation
Having a PO box address adds a security layer to your mail deliveries because no one knows where you actually live or work.

You can receive mailpieces for free if you have a real street address, but you'll need to pay a fee to have a PO box address.
The primary difference between a PO box and a street address is that the Post Office delivers mail and packages to a postal location if you have a PO box address and to a physical location if you have a street address.
To receive mail at your home or office address, which is a street address, you let go of that security to be discreet.
The USPS system will standardize an address as it normally does, but it will bring a valid PO Box address up front and assign it as address line 1.
The USPS address lookup system does not disregard invalid addresses because the information could be important, but a better address verification system like PostGrid would detect minor typos and self-correct the address.
A PO box address can provide an extra layer of security, but it requires you to pay a fee to rent the box.
Consider reading: Post Office Box with Real Address
The Signup Process
The Signup Process is a breeze, and it's pretty much the same whether you do it online or in person at your local post office. The process is straightforward.
You can sign up for a PO Box in person or online, and it's a relatively simple process.
Your new PO Box address will have a specific format, which is usually indicated by the post office when you sign up.
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PO Box Costs and Options
PO box rentals can be quite affordable, with prices starting at around $10 to $15 per month.
Some PO box providers offer discounts for long-term commitments, so it's worth considering a longer rental period if you're expecting to use the PO box for an extended time.
In the United States, the cost of a PO box can vary depending on the location and the provider, with some PO boxes costing as much as $50 or more per month.

You can also expect to pay extra for services like mail forwarding, package delivery, and storage.
Some PO box providers offer package delivery services, which can be convenient if you're not able to pick up your mail in person.
If you're looking for a more affordable option, consider a virtual PO box, which can be rented for as little as $5 per month.
Some PO box providers offer a free trial or introductory period, which can be a great way to test out the service before committing to a longer rental period.
PO Box Key Information
A PO Box is a private mailbox that you can rent from a post office or mailbox service provider.
You can use a PO Box to receive mail and packages without sharing your home or work address with others.
PO Boxes are usually located inside a post office or a private mail facility.
You can access your PO Box at any time, using the unique key or combination that you've been assigned.
The size of a PO Box can vary, ranging from small to large, depending on your needs.
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Frequently Asked Questions
What do PO Box addresses look like?
A PO Box address starts with "PO Box" followed by a 2-5 digit number, written without punctuation. This format is requested by the US Postal Service to ensure accurate mail delivery.
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