USPS's Strategy to Diversify Last-Mile Delivery Threatens Its Largest Client Relationship
December 24, 2025
Business News

USPS's Strategy to Diversify Last-Mile Delivery Threatens Its Largest Client Relationship

Postal Service seeks new customers for last-mile delivery amid financial challenges, risking key Amazon partnership

Summary

The United States Postal Service (USPS) is contemplating broadening its last-mile delivery services beyond Amazon to a wider range of customers as a strategy to mitigate substantial financial losses. This plan involves opening bids for access to USPS distribution hubs, raising concerns about Amazon possibly reducing its reliance on USPS services. Confronted with mounting deficits and shrinking mail volumes, USPS aims to enhance revenue streams but faces significant risks tied to changing its longstanding dominant client relationship. Despite its critical role in universal mail delivery, the agency's financial future remains uncertain without new funds or successful diversification.

Key Points

The USPS is experiencing severe financial losses, totaling $9 billion in the 12 months up to September.
Amazon's contract provides approximately $6 billion annually to USPS, constituting a vital revenue source.
USPS plans to invite bids from multiple shippers for access to its distribution centers, aiming to diversify last-mile delivery customers.
Amazon expressed surprise at USPS’s move to auction services after nearly a year of negotiations and is evaluating alternatives.
Universal service obligation requires USPS to deliver to all U.S. addresses at a uniform price, including costly rural areas, making USPS attractive for certain last-mile deliveries.
Despite the importance of Amazon’s business, USPS liquidity issues persist, complicating debt repayments and infrastructure investments.
Package volumes have recently declined by nearly 6%, though they remain significantly higher than two decades ago, contrasting the shrinkage in first-class letters.
Experts suggest that sustained government funding may be necessary to maintain USPS’s universal delivery mandate amid changing market conditions.

The United States Postal Service (USPS) relies heavily on a major contract with Amazon, which has served as one of the few areas of financial stability for the agency amid persistent monetary losses. However, the USPS's recent initiative to extend last-mile delivery services beyond Amazon by inviting bids from other shippers poses a considerable risk to this crucial partnership. This move comes as the agency grapples with a deteriorating financial condition characterized by widespread declines in mail usage and escalating operating deficits.

In the 12 months ending September, the USPS incurred a staggering loss amounting to $9 billion. As Commissioner David Steiner highlighted in a recent Reuters interview, the Postal Service's cash position is precarious, with projections indicating that available funds might be depleted within 12 to 24 months. He emphasized that mere cost reductions would be insufficient to remedy the circumscribed fiscal outlook, signaling the need for fresh revenue strategies.

Amazon represents a significant revenue source for the USPS, reportedly accounting for approximately $6 billion annually, a sum vital to offsetting some of the agency's operational expenses. Despite collaborative negotiations spanning nearly a year to extend their historical 30-year partnership, the USPS has surprised Amazon by announcing the decision to open its distribution centers to competitive bidding. This abrupt strategic alteration has prompted Amazon to express concern over potential disruptions to its delivery network and to reassess ongoing engagement with the postal service.

As Steve Kelly, a spokesperson for Amazon, stated, the company was taken aback by the USPS's move to initiate an auction after prolonged talks. The uncertainty introduced by this change has led Amazon to explore multiple contingency plans to safeguard its capacity to deliver packages efficiently to customers.

The enduring appeal of the USPS to Amazon stems from the agency's mandate of universal service—an obligation to deliver mail to every address across the United States at uniform pricing. This includes servicing rural, remote, or otherwise challenging locations where delivery costs are inherently high. For Amazon, contracting USPS for last-mile delivery in these areas is often more cost-effective than alternative options.

Despite the critical revenue from Amazon, USPS's leadership acknowledges that this income alone falls short of addressing its broader fiscal challenges. In its latest annual report, the agency disclosed concerns regarding liquidity, highlighting potential insufficiencies to meet existing obligations, repay debts, and invest in essential infrastructure without jeopardizing its principal mission of universal delivery.

Attempts to attract additional customers capable of delivering pre-sorted packages in bulk directly into the USPS network align logically with operational efficiencies, according to Elena Patel, senior fellow in economic studies at the Brookings Institution and an expert on postal finances. Nonetheless, she cautioned that jeopardizing the longstanding relationship with Amazon could have detrimental financial ramifications.

The USPS recently observed a decline in package volumes, down nearly 6% in the most recent fiscal year after years of growth propelled by e-commerce trends. However, shipment volumes remain substantially higher than two decades ago, with a near 500% increase in package deliveries juxtaposed against a marked decrease in first-class letter mail during the same timeframe.

Given the USPS's statutory mission to ensure affordable mail delivery nationwide, Patel contended that government support through congressional appropriations—potentially ranging from $6 billion to $10 billion annually—is in the national interest to sustain universal service. She remarked that the traditional business model that granted USPS a letter delivery monopoly to subsidize this service is fundamentally undermined in the context of digital communications and declining letter volumes.

In summary, the USPS's plan to diversify its last-mile delivery clientele in response to long-standing financial pressures presents a delicate balancing act. While seeking new customers might bolster revenue streams, the strategic shift risks unsettling its most prominent client, Amazon, and may have far-reaching implications for the agency's fiscal and operational viability.

Risks
  • Potential loss or reduction of Amazon's business if negotiations deteriorate due to USPS opening services to other shippers.
  • Declining mail volumes and ongoing losses raise questions about USPS's financial sustainability without new revenue sources or appropriations.
  • Uncertainty introduced by USPS's bidding process could disrupt Amazon's delivery network, causing operational challenges.
  • The balance between attracting new customers and preserving crucial existing contracts is delicate and may lead to financial instability if mismanaged.
  • Without sufficient liquidity, USPS risks failing to meet legal obligations and maintaining essential infrastructure.
  • The traditional funding model reliant on letter mail monopoly is weakening amid digital communication trends, reducing USPS's financial flexibility.
  • A downturn in package volume growth coupled with shrinking letter volume puts long-term revenue at risk.
  • Limited public sector funding might not fully offset the agency's operational and universal service costs, threatening its mission.
Disclosure
Education only / not financial advice
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