Carrier Route Targeter
Select O Fallon 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 O Fallon.
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 O Fallon, 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 O Fallon 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 O Fallon, MO
Industrial equipment, sustainable materials, and rigorous quality inspection on every order:
USPS Saturation Coverage Across O Fallon, MO
Home service professionals—from plumbers and electricians to house cleaners and window washers—build instant neighborhood credibility in O Fallon by dropping branded postcards while their service vans are actively working on the street.
Heavy 16pt Cardstocks & Certified Postal Indicia
Keep your O Fallon office organized and on-brand with custom carbonless NCR multi-part forms, invoices, service order pads, and numbered contracts.
Fast Print Turnaround & Direct Post Office Drop
If you require matching marketing collateral, Postcard EDDM can co-print your direct mail postcards alongside matching door hangers, brochures, and business cards for unified brand continuity in O Fallon.
3D Interactive Preflight & Address Verification
Our digital die-cutting capabilities allow O Fallon brands to produce custom-shaped stickers, product labels, and packaging seals in low-minimum quantities with rapid turnaround.
Full-Service Postal Bundling, Facing Slips & Form 3587
Custom vinyl window decals and storefront lettering fabricated for O Fallon retailers draw foot traffic while displaying store hours and branding with professional elegance.
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 O Fallon.
Frequently Asked Questions in O Fallon, MO
Everything you need to know about specs, turnarounds, and commercial press quality:
Is there a minimum order quantity for an EDDM campaign in O Fallon?
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 O Fallon business campaigns start between 1,000 and 5,000 homes.
Do I need to buy a mailing list to send postcards in O Fallon?
No! That is the primary advantage of Every Door Direct Mail. You do not purchase names or addresses. Instead, you select postal routes in St. Charles, and the postal carrier delivers your postcard to every single address along that route.
Can I see a proof before my O Fallon 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.
What postcard sizes are approved by the USPS for EDDM in O Fallon?
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 O Fallon campaigns are 6.5" x 9", 6.25" x 11", and 8.5" x 11" jumbo mailers.
More Missouri Direct Mail & EDDM Locations
Direct commercial courier and ground dispatch to neighboring hubs throughout Missouri: