USPS Glossary
EDDM
Every Door Direct Mail — USPS service that delivers your mail to every household on a selected carrier route.
Full definition
EDDM lets you mail to all households on a USPS carrier route without needing names or addresses. You select routes geographically (by ZIP, neighborhood, or radius from your business). USPS delivers one piece to every door on the route. EDDM postage runs about $0.20 per piece in 2026, the lowest direct-mail rate available.
Related terms
- Carrier route →
The geographic territory served by a single USPS letter carrier; the unit of selection in EDDM.
- EDDM Retail Indicia →
The pre-printed postage marking on EDDM mail that replaces a stamp.
- CASS →
Coding Accuracy Support System — USPS standard for validating and standardizing mailing addresses.
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