Carrier Route Targeter
Select Diamond Bar 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 Diamond Bar.
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 Diamond Bar, 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 Diamond Bar 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 Diamond Bar, CA
Industrial equipment, sustainable materials, and rigorous quality inspection on every order:
USPS Saturation Coverage Across Diamond Bar, CA
Featuring authentic customer reviews and five-star rating badges from happy Diamond Bar clients builds instant social proof that dissolves prospect skepticism.
Heavy 16pt Cardstocks & Certified Postal Indicia
In addition to standard rectangular cards, we offer custom die-cut features, tear-off perforated coupons, and scoring options to make your Diamond Bar marketing pieces interactive and engaging.
Fast Print Turnaround & Direct Post Office Drop
Glossy 4x9 rack cards placed in high-footprint lobbies, visitor centers, and retail racks throughout Diamond Bar, CA attract inbound tourists and walk-in consumers effortlessly.
3D Interactive Preflight & Address Verification
The most profitable direct mail advertisers in Diamond Bar operate on consistent campaign cadences. Dropping a fresh offer every 6 to 8 weeks keeps your business top of mind and captures prospects right when their need arises.
Full-Service Postal Bundling, Facing Slips & Form 3587
We offer shrink-wrapping and moisture-barrier protective packaging so that your printed collateral arrives in pristine press-fresh condition at your Diamond Bar business or the designated post office.
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 Diamond Bar.
Frequently Asked Questions in Diamond Bar, CA
Everything you need to know about specs, turnarounds, and commercial press quality:
Is there a minimum order quantity for an EDDM campaign in Diamond Bar?
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 Diamond Bar business campaigns start between 1,000 and 5,000 homes.
Can I filter out apartments and businesses in Diamond Bar?
Yes. Our interactive mapping tool allows you to select residential-only delivery, effectively filtering out commercial business boxes and apartment complexes if you are targeting homeowners in Diamond Bar.
How much does Every Door Direct Mail (EDDM) cost in Diamond Bar, 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 Diamond Bar.
Can I see a proof before my Diamond Bar 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.
More California Direct Mail & EDDM Locations
Direct commercial courier and ground dispatch to neighboring hubs throughout California: