UPS delivery to PO Box: Everything You Need to Know

Integrating third-party logistics providers has emerged as a game-changer for merchants

  • Written by Ellie Kwon
  • Published on August 9, 2023
  • Time to read 9 minutes


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 significant role, working with private carriers like FedEx, DHL, and UPS to deliver packages to PO boxes. It is worth noting that third-party logistics services (3PL) have made shipping even better for sellers. This blog will discuss 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

USPS and Fedex are shown to work together in some situations

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 here.

DHL and USPS Partnership

Second, DHL, an international logistics company, works with USPS for PO Box deliveries. They use the DHL Global Mail service, which hands 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, 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 significant 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:

Integrating 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 intelligent 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. For PO box deliveries, sellers can choose from many carriers, including USPS, FedEx, DHL, and UPS. They can pick the best one based on cost, speed, and coverage.
  3. 3PLs provide optimized shipping routes. 3PL providers use intelligent algorithms to find the best shipping routes. This makes deliveries faster and cheaper, which is excellent 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 ensure 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 determine the best shipping strategies, faster shipping times, and better carrier deals.


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.

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