Carrier Route Targeter
Select Castor 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 Castor.
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 Castor, LA:
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 Castor 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 Castor, LA
Industrial equipment, sustainable materials, and rigorous quality inspection on every order:
USPS Saturation Coverage Across Castor, LA
Churches, non-profits, and civic organizations in Castor welcome new community residents, invite neighbors to seasonal holiday services, and rally support for charity fundraisers through cost-effective saturation mailings.
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 Castor print run.
Fast Print Turnaround & Direct Post Office Drop
Investing in tangible physical marketing signals financial stability and permanence to Castor consumers, separating your business from fly-by-night competitors.
3D Interactive Preflight & Address Verification
Every print job submitted through our platform comes with a complimentary 3D digital proof, allowing you to rotate, inspect, and approve your artwork from every angle before production begins.
Full-Service Postal Bundling, Facing Slips & Form 3587
Direct mail postcards enjoy a physical lifespan in Castor 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 Castor.
Frequently Asked Questions in Castor, LA
Everything you need to know about specs, turnarounds, and commercial press quality:
Is there a minimum order quantity for an EDDM campaign in Castor?
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 Castor business campaigns start between 1,000 and 5,000 homes.
Do I need to buy a mailing list to send postcards in Castor?
No! That is the primary advantage of Every Door Direct Mail. You do not purchase names or addresses. Instead, you select postal routes in Bienville, and the postal carrier delivers your postcard to every single address along that route.
Can I see a proof before my Castor 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 much does Every Door Direct Mail (EDDM) cost in Castor, LA?
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 Castor.
More Louisiana Direct Mail & EDDM Locations
Direct commercial courier and ground dispatch to neighboring hubs throughout Louisiana: