Carrier Route Targeter
Select New Castle 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 New Castle.
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 New Castle, CO:
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 New Castle 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 New Castle, CO
Industrial equipment, sustainable materials, and rigorous quality inspection on every order:
USPS Saturation Coverage Across New Castle, CO
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.
Heavy 16pt Cardstocks & Certified Postal Indicia
Direct mail delivers an average response rate between 3% and 5% for targeted saturation campaigns, significantly higher than typical digital search and display click-through benchmarks in New Castle.
Fast Print Turnaround & Direct Post Office Drop
Quality printing conveys business credibility. At Postcard EDDM, all postcards for New Castle clients are printed on commercial-grade Heidelberg and Komori offset presses, delivering microscopic dot reproduction and rich, true CMYK color fidelity.
3D Interactive Preflight & Address Verification
We store and archive your approved vector artwork securely, making reorders and seasonal artwork revisions instantaneous for your ongoing New Castle marketing initiatives.
Full-Service Postal Bundling, Facing Slips & Form 3587
Professional painting contractors in New Castle showcase stunning before-and-after exterior transformations on full-color UV gloss postcards, prompting homeowners to finally schedule their own painting estimates.
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 New Castle.
Frequently Asked Questions in New Castle, CO
Everything you need to know about specs, turnarounds, and commercial press quality:
How long does printing and delivery take for New Castle mail drops?
Commercial printing takes 2 to 4 business days. Once printed and bundled, standard USPS delivery to New Castle mailboxes takes an additional 2 to 4 business days, meaning your campaign can drop within 5 to 8 business days from final proof approval.
Do I need to buy a mailing list to send postcards in New Castle?
No! That is the primary advantage of Every Door Direct Mail. You do not purchase names or addresses. Instead, you select postal routes in Garfield, and the postal carrier delivers your postcard to every single address along that route.
What paper stock do you use for postcards mailed in New Castle?
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.
What postcard sizes are approved by the USPS for EDDM in New Castle?
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 New Castle campaigns are 6.5" x 9", 6.25" x 11", and 8.5" x 11" jumbo mailers.
More Colorado Direct Mail & EDDM Locations
Direct commercial courier and ground dispatch to neighboring hubs throughout Colorado: