In today’s fast-paced world, getting your online orders quickly and securely is expected by consumers. That’s why many people choose PO Box delivery. It’s a safe and easy way to receive packages. 

The United States Postal Service (USPS) plays a large role in this, working with private carriers like FedEx, DHL, and UPS to deliver packages to PO boxes. Another aspect worth noting is that using third-party logistics services (3PL) has made shipping even better for sellers. In this blog, we’ll talk about how these private carriers team up with USPS for PO Box delivery and how 3PL helps sellers improve their shipping.


Partnerships with USPS for PO Box Delivery

In the background, a closeup is shown of two hands shaking in black and white. </p>
<p>On either side of the page, in front of each respective hand is a USPS and a FedEx drop box, signifying a partnership or handoff in some delivery scenarios.

FedEx and USPS Partnership

First, FedEx, a large and well-known delivery company, has partnered with USPS for PO Box deliveries. They use the SmartPost service, where FedEx gives packages to USPS for the final delivery to PO boxes. This teamwork lets them reach more places and deliver packages on time to customers’ PO boxes. You can read more on the subject in another eHub guide on this topic here.


DHL and USPS Partnership

Second, DHL, an international logistics company, also works with USPS for PO Box deliveries. They use the DHL Global Mail service, which hands over packages to USPS for the last part of the delivery. This way, even people in remote areas can get DHL packages at their PO boxes.


UPS and USPS Partnership

Finally, UPS has joined forces with USPS too, using the UPS SurePost service. They give packages to USPS for the final delivery to PO boxes. This partnership expands UPS’s delivery reach and makes it easy for customers who prefer PO box delivery.


Benefits of Carrier Partnerships with USPS for PO Box Delivery:

Partnerships provide extensive reach. Further, these partnerships help packages reach customers in places where the private carriers alone may not have a big presence.

Also, they are cost-effective. Working with USPS for the last part of the delivery saves money for private carriers since USPS already has a well-established delivery network. They also ensure timely deliveries. USPS has extensive experience in delivering packages. Further, this ensures that the packages reach PO boxes on time.

Convenience: Customers love getting packages in their PO boxes because it’s easy and secure. They can pick up their stuff whenever it suits them.


3PL Integration and Its Impact on Merchants:

The integration of third-party logistics providers has emerged as a game-changer for merchants, streamlining their shipping processes and enhancing customer satisfaction. Here’s how 3PL integration helps merchants:

  1. 3PLs specialize in efficient order fulfillment. 3PL providers have smart systems that work smoothly with the seller’s online shop. This automation speeds up order processing, including those going to PO boxes.
  2. 3PLs provide diverse carrier options. Sellers can choose from a bunch of carriers, including USPS, FedEx, DHL, and UPS, for PO box deliveries. They can pick the best one based on cost, speed, and coverage.
  3. 3PLs provide optimized shipping routes. 3PL providers use smart algorithms to find the best shipping routes. This makes deliveries faster and cheaper, which is great for PO box shipments.
  4. Real-time Tracking and Notifications are provided through 3PLs. Through 3PL integration, sellers can give customers real-time updates on their PO box deliveries. Further, this helps customers know when their packages will arrive, so they’re not left wondering.
  5. 3PLs help with inventory management. 3PL systems help sellers keep track of their products in stock. This way, they can make sure they never run out of items and always have something to send to customers.
  6. 3PLs include cost savings. Further, using 3PL integration can save sellers money. It helps them figure out the best shipping strategies, faster shipping times, and better deals with carriers.



PO Box delivery has become an essential option for customers seeking a secure and convenient way to receive packages. Private carriers like FedEx, DHL, and UPS have formed strategic partnerships with USPS, allowing them to leverage USPS’s extensive last-mile delivery network for PO box deliveries. 

Additionally, integrating with third-party logistics providers enables merchants to optimize their shipping processes, providing efficient order fulfillment, diverse carrier options, optimized shipping routes, real-time tracking, and cost savings. Embracing these innovations empowers merchants to enhance their shipping capabilities and deliver a superior customer experience in the competitive e-commerce landscape.

If you would like help finding a fulfillment partner/3PL that specializes in HAZMAT reach out to our Fulfillment Consultants and we can place you with a vetted fulfillment partner.


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