Carrier Route Targeter
Select Castaic 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 Castaic.
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 Castaic, 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 Castaic 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 Castaic, CA
Industrial equipment, sustainable materials, and rigorous quality inspection on every order:
USPS Saturation Coverage Across Castaic, CA
Combining QR codes with physical postcards in Castaic connects offline mail recipients directly to your mobile-friendly website, online booking calendar, or instant quote calculator with a simple smartphone camera scan.
Heavy 16pt Cardstocks & Certified Postal Indicia
Testing different creative offers across separate carrier routes in Castaic allows you to perform scientific A/B split tests to discover which discount structure generates the highest net profit.
Fast Print Turnaround & Direct Post Office Drop
If you require matching marketing collateral, Postcard EDDM can co-print your direct mail postcards alongside matching door hangers, brochures, and business cards for unified brand continuity in Castaic.
3D Interactive Preflight & Address Verification
Daycares, private preschools, and tutoring centers in Castaic, California target carrier routes with high concentrations of young families to fill classroom rosters months ahead of the upcoming school year.
Full-Service Postal Bundling, Facing Slips & Form 3587
A successful direct mail campaign in Castaic, California combines three essential elements: an irresistible local offer, a compelling call to action, and clear contact information with local phone numbers.
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 Castaic.
Frequently Asked Questions in Castaic, CA
Everything you need to know about specs, turnarounds, and commercial press quality:
How much does Every Door Direct Mail (EDDM) cost in Castaic, 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 Castaic.
Is there a minimum order quantity for an EDDM campaign in Castaic?
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 Castaic business campaigns start between 1,000 and 5,000 homes.
What postcard sizes are approved by the USPS for EDDM in Castaic?
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 Castaic campaigns are 6.5" x 9", 6.25" x 11", and 8.5" x 11" jumbo mailers.
Do I need to buy a mailing list to send postcards in Castaic?
No! That is the primary advantage of Every Door Direct Mail. You do not purchase names or addresses. Instead, you select postal routes in Los Angeles, and the postal carrier delivers your postcard to every single address along that route.
More California Direct Mail & EDDM Locations
Direct commercial courier and ground dispatch to neighboring hubs throughout California: