Carrier Route Targeter
Select Saint Louis carrier routes with live household counts, demographic filters, and USPS postage calculation.
Upload EDDM Artwork
Instant preflight check for USPS postal dimensions, address blocks, and certified postal indicia.
EDDM Design Templates
Proven saturation mail layouts for contractors, dentists, restaurants, and realtors across Saint Louis.
Print, Bundle & Mail
We print on heavy 16pt cardstock, bundle into 100-packs with facing slips, and ship direct to your local post office.
USPS-Approved EDDM Postcard Dimensions & Specs
Engineered to meet strict postal sorting automation standards across Saint Louis, MO:
6.5" x 9" Standard Postcard
USPS Flat Approved • High Impact
Our most popular size nationwide. Ample canvas for large promotions and menus while maximizing postage savings.
6.25" x 11" Oversized Mailer
Long Form • Mailbox Standout
Towering horizontal format that commands recipient attention when pulled from a crowded Saint Louis mailbox.
8.5" x 11" Jumbo Full-Page
Mini-Catalog Presentation
Full magazine-page size. Unfold multi-product sales promotions, medical service menus, or home remodeling guides.
16pt Ultra-Thick Cardstock
Premium Heavyweight Board
Rigid, professional cardstock engineered to resist dog-earing and curling during high-speed automated postal processing.
High-Gloss UV Shield
Liquid UV Protective Barrier
Liquid coating cured under ultraviolet lamps, protecting your artwork against scuffs, moisture, and postal machine belts.
100-Pack Postal Bundling
Facing Slips & Form 3587 Included
Every order is count-verified, precision cross-strapped into 100-packs, labeled with facing slips, and ready for drop-off.
Commercial Printing Standards for Saint Louis, MO
Industrial equipment, sustainable materials, and rigorous quality inspection on every order:
USPS Saturation Coverage Across Saint Louis, MO
Combining high-contrast visual design with concise, benefit-driven headlines ensures your Saint Louis audience grasps your value proposition within three seconds of picking up your card.
Heavy 16pt Cardstocks & Certified Postal Indicia
Marketing your local business in Saint Louis, Missouri requires reaching active customers where they make buying decisions every day: at their own front mailbox. Every Door Direct Mail® (EDDM) from Postcard EDDM enables you to saturate entire neighborhood postal routes in St. Louis (city) without the expense of purchasing a residential mailing list.
Fast Print Turnaround & Direct Post Office Drop
Segmenting your Saint Louis routes by neighborhood home values enables you to tailor your messaging—presenting luxury architectural finishes in affluent areas and value packages in starter home communities.
3D Interactive Preflight & Address Verification
Integrating dynamic QR codes on your Saint Louis mailer allows smartphone users to instantly redeem online discounts, view video testimonials, or add your business contact card to their phone with one tap.
Full-Service Postal Bundling, Facing Slips & Form 3587
Churches, non-profits, and civic organizations in Saint Louis welcome new community residents, invite neighbors to seasonal holiday services, and rally support for charity fundraisers through cost-effective saturation mailings.
Seamless 3-Step Production Workflow
From digital canvas to press-cured finish in 24 to 48 hours:
Select or Upload Design
Pick from 1,000+ templates, generate with AI in 30 seconds, or upload your print-ready PDF/vector artwork.
Interactive 3D Proof
Inspect trim boundaries, bleed margins, and paper finish in realistic 360° before sending your files to press.
Fast Press & Direct Delivery
Printed on commercial Heidelberg offset presses with rapid 24-48h turnaround and express delivery to Saint Louis.
Frequently Asked Questions in Saint Louis, MO
Everything you need to know about specs, turnarounds, and commercial press quality:
What postcard sizes are approved by the USPS for EDDM in Saint Louis?
USPS requires EDDM mailers to meet specific 'flat' criteria: longer than 10.5" OR taller than 6.125" OR thicker than 0.25". Our most popular USPS-compliant sizes for Saint Louis campaigns are 6.5" x 9", 6.25" x 11", and 8.5" x 11" jumbo mailers.
Is there a minimum order quantity for an EDDM campaign in Saint Louis?
USPS requires a minimum of 200 postcards (or one full carrier route) per day, up to a maximum of 5,000 cards per day per zip code without an active postal permit. Most Saint Louis business campaigns start between 1,000 and 5,000 homes.
Can I see a proof before my Saint Louis postcards are printed?
Absolutely. Every order includes an interactive 3D digital proof and automated preflight inspection to ensure bleed margins, postal safe areas, and CMYK color profiles are 100% press-ready before production.
How long does printing and delivery take for Saint Louis mail drops?
Commercial printing takes 2 to 4 business days. Once printed and bundled, standard USPS delivery to Saint Louis mailboxes takes an additional 2 to 4 business days, meaning your campaign can drop within 5 to 8 business days from final proof approval.
More Missouri Direct Mail & EDDM Locations
Direct commercial courier and ground dispatch to neighboring hubs throughout Missouri: