Mailing List Processing and Address Quality Assurance

The contract pertains to the processing and cleansing of mailing lists using USPS NCOA and CASS-certified systems to ensure accurate, standardized, and deliverable addresses. Services include verifying and updating address information, appending ZIP+4 codes and barcode data, and removing undeliverable or invalid records to enhance mail efficiency and compliance with postal standards. The work is essential for maintaining high-quality postal data and reducing waste associated with undeliverable mail. This is a subcontract opportunity issued by the United States Government Publishing Office under the NAICS code 518210, with a response deadline of May 4, 2026, at 3:00 PM. The contract is open to qualified subcontractors tasked with delivering address quality assurance services, though no specific set-aside or small business preference is indicated. The place of performance and point of contact details are not provided, and all submissions must be completed through the designated SAM.gov portal prior to the deadline.