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Postal Encyclopedia

Carrier Route

Route-level sort

Sortation & EntryUpdated 2026-07-24

Mail presorted to the USPS carrier route that delivers it. Carrier-route preparation can qualify for lower postage when density and preparation rules are met. Each route qualifies on its own, so one mailing commonly contains routes at several price levels at once.

Definition reviewed 2026-07-24. This is a plain-English Plavidian reference; for USPS terms, the Domestic Mail Manual is the authority. For your own job, the final mail class, postage, and preparation are confirmed after list processing and production review.

Related terms in Sortation & Entry

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Ask Plavidian Expert for an answer based on the USPS Domestic Mail Manual, or send us the job and we'll confirm the preparation before you print.

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