Carrier Route Targeter
Select Castroville 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 Castroville.
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 Castroville, 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 Castroville 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 Castroville, CA
Industrial equipment, sustainable materials, and rigorous quality inspection on every order:
USPS Saturation Coverage Across Castroville, CA
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 Castroville campaigns.
Heavy 16pt Cardstocks & Certified Postal Indicia
Discover how thousands of business owners across Monterey and throughout California are driving record revenue with turnkey Every Door Direct Mail and commercial printing from Postcard EDDM.
Fast Print Turnaround & Direct Post Office Drop
We print our direct mail pieces on ultra-thick 16-point cardstock, providing a substantial, weighty feel that stands out noticeably when pulled from a crowded mailbox in Castroville, California.
3D Interactive Preflight & Address Verification
Trade show displays, retractable roll-up banners, and step-and-repeat backdrops produced by Postcard EDDM ensure your Castroville company looks authoritative at regional conferences and expos.
Full-Service Postal Bundling, Facing Slips & Form 3587
Direct mail postcards enjoy a physical lifespan in Castroville homes averaging 17 days, meaning family members and visiting guests frequently interact with your card multiple times over several weeks.
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 Castroville.
Frequently Asked Questions in Castroville, CA
Everything you need to know about specs, turnarounds, and commercial press quality:
What postcard sizes are approved by the USPS for EDDM in Castroville?
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 Castroville campaigns are 6.5" x 9", 6.25" x 11", and 8.5" x 11" jumbo mailers.
Is there a minimum order quantity for an EDDM campaign in Castroville?
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 Castroville business campaigns start between 1,000 and 5,000 homes.
How much does Every Door Direct Mail (EDDM) cost in Castroville, CA?
USPS commercial saturation postage for EDDM is currently approximately 21.6¢ per piece, which is over 60% cheaper than regular first-class mail. When combined with our commercial printing (starting at just a few cents per card), the total turnkey cost is typically between 28¢ and 38¢ per home delivered in Castroville.
Does Postcard EDDM handle the postal paperwork and bundling for Castroville?
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 Castroville post office.
More California Direct Mail & EDDM Locations
Direct commercial courier and ground dispatch to neighboring hubs throughout California: