Carrier Route Targeter
Select Saint Charles 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 Charles.
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 Charles, 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 Charles 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 Charles, MO
Industrial equipment, sustainable materials, and rigorous quality inspection on every order:
USPS Saturation Coverage Across Saint Charles, MO
A clear, bold expiration date on your Saint Charles postcard creates urgency, compelling recipients to act quickly rather than setting the mailer aside and forgetting about it.
Heavy 16pt Cardstocks & Certified Postal Indicia
Experience the difference of partnering with an American commercial printer dedicated to fast turnarounds, transparent pricing, and uncompromising print craftsmanship for your Saint Charles enterprise.
Fast Print Turnaround & Direct Post Office Drop
Combining high-contrast visual design with concise, benefit-driven headlines ensures your Saint Charles audience grasps your value proposition within three seconds of picking up your card.
3D Interactive Preflight & Address Verification
From 63301 to neighboring zip codes throughout St. Charles, our print-and-deliver pipeline takes the friction out of direct mail. We handle high-definition 500-line screen offset printing, bundle into mandatory 100-piece stacks, and generate all required USPS facing slips and postal documentation automatically.
Full-Service Postal Bundling, Facing Slips & Form 3587
Durable outdoor yard signs printed on 4mm corrugated plastic with fade-resistant UV inks turn Saint Charles street intersections and active job sites into 24/7 lead generators.
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 Charles.
Frequently Asked Questions in Saint Charles, MO
Everything you need to know about specs, turnarounds, and commercial press quality:
Do I need to buy a mailing list to send postcards in Saint Charles?
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 Saint Charles 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 paper stock do you use for postcards mailed in Saint Charles?
We print on heavy 16pt commercial cardstock (or 14pt upon request) with your choice of high-gloss UV coating for vibrant color protection or silk matte finish for an elegant glare-free look.
How can I track phone calls and leads from my Saint Charles 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 Missouri Direct Mail & EDDM Locations
Direct commercial courier and ground dispatch to neighboring hubs throughout Missouri: