
You can choose from a variety of Group E post office box sizes, ranging from 5 inches wide to 15 inches wide and 12 inches deep.
Group E post office boxes are designed to accommodate large mailers, with a maximum size of 12 inches wide, 15 inches long, and 3 inches deep.
The Group E post office box service is ideal for businesses and organizations that receive large or irregularly shaped mail, such as catalogs, packages, and oversized envelopes.
Group E post office boxes are typically locked and can only be accessed by the box holder or a designated keyholder.
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Free PO Box Service
To qualify for free Group E PO Box service, your physical address must meet specific criteria. Your address must be within the geographic delivery ZIP Code boundaries administered by a Post Office.
You can check if your address meets this criterion by looking at the ZIP Code boundaries for your area. The Postal Service will have this information available.
Only one Group E PO Box is available per potential carrier delivery point of service, so you can't get multiple free PO Boxes.
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Types of Free PO Box Services

Free PO Box Service is available to those who meet specific criteria. To qualify for Group E (free) PO Box service, your physical address must be within the geographic delivery ZIP Code boundaries administered by a Post Office.
The physical address must also constitute a potential carrier delivery point of service. This means that the USPS already has a delivery route in place for your area.
You can check if your address is eligible for Group E service by verifying that it meets these criteria. If your address is eligible, you can take advantage of free PO Box service at a Post Office location.
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Expectations from PO Box Service Providers
When choosing a PO Box service provider, you want to know what to expect from them. You expect a secure and reliable service that will keep your mail safe.
A good PO Box service provider should offer 24/7 access to your mail, allowing you to collect your mail at any time that suits you. This is a standard feature with most PO Box service providers.
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You should also expect your PO Box service provider to be flexible with their mail forwarding options. Some providers offer forwarding to any address in the world, while others may have more limited options.
A PO Box service provider that allows you to track your mail online is a big plus. This way, you can stay on top of your mail and know exactly when it's been delivered to your PO Box.
Some PO Box service providers also offer additional services such as package acceptance and mail scanning. These services can be really useful if you're away from your PO Box for extended periods.
Ultimately, you want a PO Box service provider that offers a service that meets your needs and budget.
Free PO Box
You can qualify for a free PO Box if your physical address location meets certain criteria.
The physical address must be within the geographic delivery ZIP Code boundaries administered by a Post Office.
In some areas, carrier delivery is already established, and a free PO Box might not be an option.
Only one free PO Box can be obtained for each potential carrier delivery point of service.
If you're a tenant, contractor, employee, or individual receiving single-point delivery, you're not eligible for a free PO Box.
Locations served by centralized delivery or grouped receptacles, such as apartment style receptacles or mailrooms, also don't qualify.
Additionally, if you live in an area with town ordinances, private roads, or other conditions that prevent carrier delivery, you won't be eligible for a free PO Box.
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Sources
- https://www.federalregister.gov/documents/2011/07/14/2011-17389/group-e-post-office-box-service
- https://www.federalregister.gov/documents/2010/11/24/2010-29537/group-e-post-office-box-service
- https://www.uspsoig.gov/reports/audit-reports/no-fee-post-office-boxes
- https://wpde.com/news/local/mail-clio-marlboro-county-missing-box-delivery-usps-change-service-group-e-rural-community
- https://comptroller.texas.gov/taxes/franchise/pir-oir-filing-req.php
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