Carrier Route Targeter
Select Caldwell 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 Caldwell.
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 Caldwell, NJ:
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 Caldwell 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 Caldwell, NJ
Industrial equipment, sustainable materials, and rigorous quality inspection on every order:
USPS Saturation Coverage Across Caldwell, NJ
Every postcard produced by Postcard EDDM for Caldwell routes is printed in strict compliance with United States Postal Service specifications. We ensure your mailers meet the exact physical dimensions, aspect ratios, and minimum thickness requirements needed to qualify for discounted EDDM commercial rates.
Heavy 16pt Cardstocks & Certified Postal Indicia
Integrating dynamic QR codes on your Caldwell mailer allows smartphone users to instantly redeem online discounts, view video testimonials, or add your business contact card to their phone with one tap.
Fast Print Turnaround & Direct Post Office Drop
Marketing your local business in Caldwell, New Jersey requires reaching active customers where they make buying decisions every day: at their own front mailbox. Every Door Direct Mail® (EDDM) from Postcard EDDM enables you to saturate entire neighborhood postal routes in Essex without the expense of purchasing a residential mailing list.
3D Interactive Preflight & Address Verification
Our prepress software automatically converts RGB graphics into calibrated SWOP CMYK color profiles, preventing unexpected color shifts and ensuring corporate brand logos print accurately.
Full-Service Postal Bundling, Facing Slips & Form 3587
Pairing a unique promo code or exclusive URL slug with your postcard mailing lets you attribute every new lead and customer inquiry back to specific postal routes in Essex.
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 Caldwell.
Frequently Asked Questions in Caldwell, NJ
Everything you need to know about specs, turnarounds, and commercial press quality:
How can I track phone calls and leads from my Caldwell postcard mailing?
We recommend placing a dedicated local call tracking number on the mailer, along with a custom QR code that directs smartphone recipients to a dedicated campaign landing page with an exclusive offer.
Is there a minimum order quantity for an EDDM campaign in Caldwell?
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 Caldwell business campaigns start between 1,000 and 5,000 homes.
Do I need to buy a mailing list to send postcards in Caldwell?
No! That is the primary advantage of Every Door Direct Mail. You do not purchase names or addresses. Instead, you select postal routes in Essex, and the postal carrier delivers your postcard to every single address along that route.
What postcard sizes are approved by the USPS for EDDM in Caldwell?
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 Caldwell campaigns are 6.5" x 9", 6.25" x 11", and 8.5" x 11" jumbo mailers.
More New Jersey Direct Mail & EDDM Locations
Direct commercial courier and ground dispatch to neighboring hubs throughout New Jersey: