Carrier Route Targeter
Select Grinnell 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 Grinnell.
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 Grinnell, IA:
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 Grinnell 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 Grinnell, IA
Industrial equipment, sustainable materials, and rigorous quality inspection on every order:
USPS Saturation Coverage Across Grinnell, IA
Unlike digital ads that are frequently skipped, blocked, or scrolled past in seconds, a tangible full-color postcard in Grinnell physically lands in your prospect's hands. Physical direct mail commands a 70% higher recall rate than digital ads, giving your offer genuine staying power on kitchen counters and refrigerator doors.
Heavy 16pt Cardstocks & Certified Postal Indicia
We offer multiple USPS-approved EDDM dimensions, including the versatile 6.5" x 9", the ultra-popular 6.25" x 11" oversized mailer, and the commanding 8.5" x 11" full-page jumbo card for Grinnell campaigns.
Fast Print Turnaround & Direct Post Office Drop
In addition to standard rectangular cards, we offer custom die-cut features, tear-off perforated coupons, and scoring options to make your Grinnell marketing pieces interactive and engaging.
3D Interactive Preflight & Address Verification
Every batch of postcards goes through our multi-point quality assurance inspection, verifying sheet registration, ink density, trimming accuracy, and postal bundle counts before leaving the facility.
Full-Service Postal Bundling, Facing Slips & Form 3587
Glossy 4x9 rack cards placed in high-footprint lobbies, visitor centers, and retail racks throughout Grinnell, IA attract inbound tourists and walk-in consumers effortlessly.
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 Grinnell.
Frequently Asked Questions in Grinnell, IA
Everything you need to know about specs, turnarounds, and commercial press quality:
What paper stock do you use for postcards mailed in Grinnell?
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 long does printing and delivery take for Grinnell mail drops?
Commercial printing takes 2 to 4 business days. Once printed and bundled, standard USPS delivery to Grinnell mailboxes takes an additional 2 to 4 business days, meaning your campaign can drop within 5 to 8 business days from final proof approval.
Does Postcard EDDM handle the postal paperwork and bundling for Grinnell?
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 Grinnell post office.
What postcard sizes are approved by the USPS for EDDM in Grinnell?
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 Grinnell campaigns are 6.5" x 9", 6.25" x 11", and 8.5" x 11" jumbo mailers.
More Iowa Direct Mail & EDDM Locations
Direct commercial courier and ground dispatch to neighboring hubs throughout Iowa: