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Postal Encyclopedia

Single-Piece

Updated 2026-07-24

Nonpresorted individual postage

Mail Classes & Rates

Postage price used for pieces not qualifying for presort/automation discounts, such as First-Class nonpresorted/single-piece machinable letters.

Definition reviewed 2026-07-24. Plavidian reference, written from the USPS Domestic Mail Manual. Final mail classification, postage, and preparation are confirmed after list processing and production review.

Related terms in Mail Classes & Rates

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