Carrier Route Targeter
Select Onyx 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 Onyx.
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 Onyx, 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 Onyx 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 Onyx, CA
Industrial equipment, sustainable materials, and rigorous quality inspection on every order:
USPS Saturation Coverage Across Onyx, CA
Dental practices and medical clinics in Onyx, California utilize Every Door Direct Mail to introduce new providers, announce high-tech procedures, and offer new patient specials to thousands of local households within minutes of their office.
Heavy 16pt Cardstocks & Certified Postal Indicia
Choose between brilliant high-gloss UV coating for eye-catching color pop or an elegant silk matte finish that allows for easy writing with pens or markers on the back of your Onyx mailer.
Fast Print Turnaround & Direct Post Office Drop
Roofing, HVAC, and general contractors in Onyx understand that storm season and seasonal maintenance require rapid, targeted outreach. By saturating postal routes in neighborhoods with aging homes, contractors generate high-ticket estimate requests when demand is peak.
3D Interactive Preflight & Address Verification
Direct mail frequently outperforms digital ads in trust metrics: 76% of consumers report trusting direct mail pieces they receive at home compared to just 43% who trust digital display ads.
Full-Service Postal Bundling, Facing Slips & Form 3587
We store and archive your approved vector artwork securely, making reorders and seasonal artwork revisions instantaneous for your ongoing Onyx marketing initiatives.
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 Onyx.
Frequently Asked Questions in Onyx, CA
Everything you need to know about specs, turnarounds, and commercial press quality:
What postcard sizes are approved by the USPS for EDDM in Onyx?
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 Onyx campaigns are 6.5" x 9", 6.25" x 11", and 8.5" x 11" jumbo mailers.
How can I track phone calls and leads from my Onyx 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.
Do I need to buy a mailing list to send postcards in Onyx?
No! That is the primary advantage of Every Door Direct Mail. You do not purchase names or addresses. Instead, you select postal routes in Kern, and the postal carrier delivers your postcard to every single address along that route.
What paper stock do you use for postcards mailed in Onyx?
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.
More California Direct Mail & EDDM Locations
Direct commercial courier and ground dispatch to neighboring hubs throughout California: