Carrier Route Targeter
Select Seneca 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 Seneca.
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 Seneca, MI:
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 Seneca 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 Seneca, MI
Industrial equipment, sustainable materials, and rigorous quality inspection on every order:
USPS Saturation Coverage Across Seneca, MI
Every postcard produced by Postcard EDDM for Seneca routes is printed in strict compliance with United States Postal Service specifications. We ensure your mailers meet the exact physical dimensions, aspect ratios, and minimum thickness requirements needed to qualify for discounted EDDM commercial rates.
Heavy 16pt Cardstocks & Certified Postal Indicia
Direct mail postcards enjoy a physical lifespan in Seneca homes averaging 17 days, meaning family members and visiting guests frequently interact with your card multiple times over several weeks.
Fast Print Turnaround & Direct Post Office Drop
For high-volume commercial print campaigns exceeding 25,000 units in Lenawee, our gang-run manufacturing efficiencies deliver wholesale trade pricing directly to small business owners.
3D Interactive Preflight & Address Verification
Custom vinyl window decals and storefront lettering fabricated for Seneca retailers draw foot traffic while displaying store hours and branding with professional elegance.
Full-Service Postal Bundling, Facing Slips & Form 3587
Carpet cleaning and restoration businesses in Seneca utilize targeted postcards following seasonal weather shifts or spring cleaning periods to capture pent-up household service demand.
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 Seneca.
Frequently Asked Questions in Seneca, MI
Everything you need to know about specs, turnarounds, and commercial press quality:
Does Postcard EDDM handle the postal paperwork and bundling for Seneca?
Yes! We offer full-service fulfillment. We print your cards on heavy 16pt cardstock, bundle them into required 100-piece stacks with facing slips, prepare USPS Form 3587, and can even ship directly to your local Seneca post office.
What postcard sizes are approved by the USPS for EDDM in Seneca?
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 Seneca campaigns are 6.5" x 9", 6.25" x 11", and 8.5" x 11" jumbo mailers.
How long does printing and delivery take for Seneca mail drops?
Commercial printing takes 2 to 4 business days. Once printed and bundled, standard USPS delivery to Seneca mailboxes takes an additional 2 to 4 business days, meaning your campaign can drop within 5 to 8 business days from final proof approval.
What paper stock do you use for postcards mailed in Seneca?
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.
More Michigan Direct Mail & EDDM Locations
Direct commercial courier and ground dispatch to neighboring hubs throughout Michigan: