Carrier Route Targeter
Select Round O 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 Round O.
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 Round O, SC:
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 Round O 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 Round O, SC
Industrial equipment, sustainable materials, and rigorous quality inspection on every order:
USPS Saturation Coverage Across Round O, SC
Personalized thank-you postcards and handwritten-style note cards mailed to your existing Round O customer base foster loyalty and generate recurring word-of-mouth referral business.
Heavy 16pt Cardstocks & Certified Postal Indicia
Glossy 4x9 rack cards placed in high-footprint lobbies, visitor centers, and retail racks throughout Round O, SC attract inbound tourists and walk-in consumers effortlessly.
Fast Print Turnaround & Direct Post Office Drop
A clear, bold expiration date on your Round O postcard creates urgency, compelling recipients to act quickly rather than setting the mailer aside and forgetting about it.
3D Interactive Preflight & Address Verification
For service businesses offering free in-home consultations in Round O, direct mail postcards generate qualified appointments with serious homeowners rather than tire-kickers.
Full-Service Postal Bundling, Facing Slips & Form 3587
The most profitable direct mail advertisers in Round O 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.
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 Round O.
Frequently Asked Questions in Round O, SC
Everything you need to know about specs, turnarounds, and commercial press quality:
What postcard sizes are approved by the USPS for EDDM in Round O?
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 Round O campaigns are 6.5" x 9", 6.25" x 11", and 8.5" x 11" jumbo mailers.
Can I see a proof before my Round O 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.
How much does Every Door Direct Mail (EDDM) cost in Round O, SC?
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 Round O.
Does Postcard EDDM handle the postal paperwork and bundling for Round O?
Yes! We offer full-service fulfillment. We print your cards on heavy 16pt cardstock, bundle them into required 100-piece stacks with facing slips, prepare USPS Form 3587, and can even ship directly to your local Round O post office.
More South Carolina Direct Mail & EDDM Locations
Direct commercial courier and ground dispatch to neighboring hubs throughout South Carolina: