Carrier Route Targeter
Select Los Osos 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 Los Osos.
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 Los Osos, 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 Los Osos 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 Los Osos, CA
Industrial equipment, sustainable materials, and rigorous quality inspection on every order:
USPS Saturation Coverage Across Los Osos, CA
Our print facility operates around the clock, providing fast 2 to 4 business day production turnaround on most commercial postcard runs for businesses throughout Los Osos, CA.
Heavy 16pt Cardstocks & Certified Postal Indicia
Experience the difference of partnering with an American commercial printer dedicated to fast turnarounds, transparent pricing, and uncompromising print craftsmanship for your Los Osos enterprise.
Fast Print Turnaround & Direct Post Office Drop
Our commercial printing facility is equipped with automated high-speed booklet makers that stitch and trim multi-page product catalogs, annual reports, and event programs for Los Osos corporations.
3D Interactive Preflight & Address Verification
Direct mail postcards enjoy a physical lifespan in Los Osos homes averaging 17 days, meaning family members and visiting guests frequently interact with your card multiple times over several weeks.
Full-Service Postal Bundling, Facing Slips & Form 3587
Small businesses across San Luis Obispo rely on Postcard EDDM for turnkey direct mail solutions. We eliminate the administrative hassle of visiting the local post office by providing complete full-service fulfillment options: we print, bundle, complete paperwork, and coordinate delivery directly into the postal stream.
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 Los Osos.
Frequently Asked Questions in Los Osos, CA
Everything you need to know about specs, turnarounds, and commercial press quality:
What postcard sizes are approved by the USPS for EDDM in Los Osos?
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 Los Osos campaigns are 6.5" x 9", 6.25" x 11", and 8.5" x 11" jumbo mailers.
What paper stock do you use for postcards mailed in Los Osos?
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.
Can I filter out apartments and businesses in Los Osos?
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 Los Osos.
Can I see a proof before my Los Osos 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: