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UNITED STATES POSTAL SERVICE

UEI: MH51ESMUCKK7CAGE: 3HCE4

UNITED STATES POSTAL SERVICE is a federal contractor, registered under UEI MH51ESMUCKK7 and CAGE code 3HCE4. It has been awarded $3,472,676 across 136 federal contracts. Primary work spans Postal Service, Unknown NAICS, and Private Mail Centers. Top awarding agencies include Department Of The Treasury, Department Of Veterans Affairs, and Department Of Defense.

Contact Information

Registration and classification details

Registration

UEI Code

MH51ESMUCKK7

CAGE Code

3HCE4

Entity Structure

U.S. Government Entity

Established

N/A

Business Classifications

2RNG

NAICS Codes

491110Postal Service(Primary)

Federal Contracting Overview

Award totals, agency breakdown, NAICS distribution, and geographic footprint.

AI Capability Profile

The United States Postal Service delivers critical national address validation and change-of-address services through its NCOALink® platform, a certified postal data product that ensures accurate and timely updating of residential and business mailing addresses across federal systems. As the sole pr...

The United States Postal Service delivers critical national address validation and change-of-address services through its NCOALink® platform, a certified postal data product that ensures accurate and timely updating of residential and business mailing addresses across federal systems. As the sole provider of this government-mandated service, the contractor specializes in secure, compliant address lifecycle management, integrating with federal databases to support mailstream integrity, fraud prevention, and operational efficiency. Technical expertise includes high-volume data processing, proprietary address standardization algorithms, and adherence to USPS data privacy and security protocols. The contractor’s unique position as the official custodian of the National Change of Address database establishes it as the authoritative source for address hygiene in federal operations. The United States Postal Service has established direct relationships with the Department of the Treasury and the Social Security Administration, providing sustained support for address verification and data synchronization needs. For the Treasury, this includes maintaining the integrity of financial records through accurate resident data; for the Social Security Administration, it enables precise delivery of benefits and correspondence by ensuring up-to-date beneficiary addresses in real time. These engagements reflect long-term, mission-critical partnerships centered on data accuracy and regulatory compliance. The contractor’s primary focus is in NAICS 491110 (Postal Service), where it operates as the federally designated provider of address change services, and NAICS 513210 (Software Publishers), where it licenses and supports the NCOALink software platform. Its market positioning is that of a non-competitive, statutory monopoly in address data management, serving as an essential infrastructure component for federal agencies reliant on accurate mail delivery and identity verification. As a federal entity headquartered in Memphis, Tennessee, the United States Postal Service operates under Title 39 of the U.S. Code with no commercial certifications. Its scale and legal mandate define its market role rather than traditional contractor classifications, positioning it as a foundational government service provider rather than a typical defense or IT contractor.

Key Performance Metrics

Awards Count

0

All time

Active

0

Currently performing

Completed

0

Past period of performance

Total Awards

All time

Contracts

Prime · all time

Subcontracts

Sub · all time

Grants

Prime · all time

Subgrants

Sub · all time

Award Analytics & Distribution

Awards by Agency
Department Of The Treasury$2.6M74.7%
Department Of Veterans Affairs$571.5K16.5%
Department Of Defense$96.5K2.8%
Social Security Administration$77.7K2.2%
Department Of Commerce$77.2K2.2%
Department Of Homeland Security$22.1K0.6%
Department Of Agriculture$17.6K0.5%
Other agencies (5 agencies, <0.5% each)$14.9K0.4%
Awards by NAICS
491110 - Postal Service$3.0M87.3%
- Unknown NAICS$128.4K3.7%
561431 - Private Mail Centers$87.9K2.5%
511140 - Directory and Mailing List Publishers$61.0K1.8%
513210 - Software Publishers$45.7K1.3%
513140 - Directory and Mailing List Publishers$33.2K1%
511210 - Software Publishers$28.4K0.8%
541519 - Other Computer Related Services$24.8K0.7%
811212 - Computer and Office Machine Repair and Maintenance$17.9K0.5%
Others - Other NAICS codes (3 codes, <0.5% each)$12.1K0.4%
Awards by Agency Over Time
Export
Awards by Place of Performance