SubTropolis: The site of the Postal Service’s underground fulfillment center

NALC Postal Record – February 2023 It’s not Batman’s lair or an underground city in a dystopian zombie movie—it’s where the Postal Service stores stamps. SubTropolis is an enormous underground office and warehouse complex in Kansas City, MO, that houses the USPS Stamp Fulfillment Services (SFS) office. From its cavernous office, SFS ships hundreds of…

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USPS OIG Management Alert: Kansas City, MO, Stamp Fulfillment Services

This alert responds to concerns brought to our attention regarding the Kansas City, MO, Stamp Fulfillment Services’ (SFS) handling and storage of the U.S. Postal Service’s off-sale inventory. Our objective was to evaluate internal controls over off-sale retail merchandise and accountable paper stored at the Kansas City SFS. Summary The Postal Service needs to improve…

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