Carrier Route Targeter
Select Port Costa 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 Port Costa.
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 Port Costa, CA:
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 Port Costa 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 Port Costa, CA
Industrial equipment, sustainable materials, and rigorous quality inspection on every order:
USPS Saturation Coverage Across Port Costa, CA
Segmenting your Port Costa routes by neighborhood home values enables you to tailor your messaging—presenting luxury architectural finishes in affluent areas and value packages in starter home communities.
Heavy 16pt Cardstocks & Certified Postal Indicia
Our durable 14-point and 16-point cardstocks are specifically engineered to resist curling and dog-earing, maintaining an immaculate, upright posture on your Port Costa customers' desks.
Fast Print Turnaround & Direct Post Office Drop
Our commercial prepress department performs an automated preflight check on all Port Costa 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
For high-volume commercial print campaigns exceeding 25,000 units in Contra Costa, our gang-run manufacturing efficiencies deliver wholesale trade pricing directly to small business owners.
Full-Service Postal Bundling, Facing Slips & Form 3587
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 Port Costa campaigns.
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 Port Costa.
Frequently Asked Questions in Port Costa, CA
Everything you need to know about specs, turnarounds, and commercial press quality:
Does Postcard EDDM handle the postal paperwork and bundling for Port Costa?
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 Port Costa post office.
Can I see a proof before my Port Costa 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.
How long does printing and delivery take for Port Costa mail drops?
Commercial printing takes 2 to 4 business days. Once printed and bundled, standard USPS delivery to Port Costa 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 postcard sizes are approved by the USPS for EDDM in Port Costa?
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 Port Costa campaigns are 6.5" x 9", 6.25" x 11", and 8.5" x 11" jumbo mailers.
More California Direct Mail & EDDM Locations
Direct commercial courier and ground dispatch to neighboring hubs throughout California: