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, IL:
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, IL
Industrial equipment, sustainable materials, and rigorous quality inspection on every order:
USPS Saturation Coverage Across O Fallon, IL
Postage savings on Every Door Direct Mail allow O Fallon business owners to double or triple their campaign frequency. In advertising, repetition builds reputation—dropping mailers three to four times a year establishes your brand as the undeniable local authority in St. Clair.
Heavy 16pt Cardstocks & Certified Postal Indicia
Senior living communities and in-home care agencies in O Fallon, Illinois reach adult children and retiring seniors with compassionate, informative postcards highlighting assisted living amenities in St. Clair.
Fast Print Turnaround & Direct Post Office Drop
Our custom door hangers are ideal for canvassing neighborhoods in O Fallon where you are currently completing service work. Hanging promotional vouchers on surrounding doorknobs multiplies your local presence.
3D Interactive Preflight & Address Verification
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.
Full-Service Postal Bundling, Facing Slips & Form 3587
Pairing a unique promo code or exclusive URL slug with your postcard mailing lets you attribute every new lead and customer inquiry back to specific postal routes in St. Clair.
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, IL
Everything you need to know about specs, turnarounds, and commercial press quality:
How long does printing and delivery take for O Fallon mail drops?
Commercial printing takes 2 to 4 business days. Once printed and bundled, standard USPS delivery to O Fallon mailboxes takes an additional 2 to 4 business days, meaning your campaign can drop within 5 to 8 business days from final proof approval.
Can I filter out apartments and businesses in O Fallon?
Yes. Our interactive mapping tool allows you to select residential-only delivery, effectively filtering out commercial business boxes and apartment complexes if you are targeting homeowners in O Fallon.
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.
How can I track phone calls and leads from my O Fallon postcard mailing?
We recommend placing a dedicated local call tracking number on the mailer, along with a custom QR code that directs smartphone recipients to a dedicated campaign landing page with an exclusive offer.
More Illinois Direct Mail & EDDM Locations
Direct commercial courier and ground dispatch to neighboring hubs throughout Illinois: