Carrier Route Targeter
Select Mercer Island 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 Mercer Island.
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 Mercer Island, WA:
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 Mercer Island 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 Mercer Island, WA
Industrial equipment, sustainable materials, and rigorous quality inspection on every order:
USPS Saturation Coverage Across Mercer Island, WA
A successful direct mail campaign in Mercer Island, Washington combines three essential elements: an irresistible local offer, a compelling call to action, and clear contact information with local phone numbers.
Heavy 16pt Cardstocks & Certified Postal Indicia
We utilize eco-friendly soy-based inks that generate virtually zero volatile organic compounds (VOCs) while delivering deeper black tones and richer color saturation on every Mercer Island print run.
Fast Print Turnaround & Direct Post Office Drop
Our commercial prepress department performs an automated preflight check on all Mercer Island artwork. We inspect bleed margins, safe zones, and CMYK color profiles before a single sheet of paper touches the press, guaranteeing vibrant, razor-sharp output.
3D Interactive Preflight & Address Verification
Churches, non-profits, and civic organizations in Mercer Island welcome new community residents, invite neighbors to seasonal holiday services, and rally support for charity fundraisers through cost-effective saturation mailings.
Full-Service Postal Bundling, Facing Slips & Form 3587
Direct mail continues to evolve with modern technology: bridge physical print with digital retargeting to create high-frequency multi-touch marketing campaigns that dominate the Mercer Island market.
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 Mercer Island.
Frequently Asked Questions in Mercer Island, WA
Everything you need to know about specs, turnarounds, and commercial press quality:
What paper stock do you use for postcards mailed in Mercer Island?
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.
Is there a minimum order quantity for an EDDM campaign in Mercer Island?
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 Mercer Island business campaigns start between 1,000 and 5,000 homes.
Do I need to buy a mailing list to send postcards in Mercer Island?
No! That is the primary advantage of Every Door Direct Mail. You do not purchase names or addresses. Instead, you select postal routes in King, and the postal carrier delivers your postcard to every single address along that route.
Does Postcard EDDM handle the postal paperwork and bundling for Mercer Island?
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 Mercer Island post office.
More Washington Direct Mail & EDDM Locations
Direct commercial courier and ground dispatch to neighboring hubs throughout Washington: