Carrier Route Targeter
Select Signal Hill 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 Signal Hill.
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 Signal Hill, 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 Signal Hill 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 Signal Hill, CA
Industrial equipment, sustainable materials, and rigorous quality inspection on every order:
USPS Saturation Coverage Across Signal Hill, CA
Every postcard order is cut with precision computer-guided guillotine blades, ensuring clean, sharp edges and strict dimensional tolerances that meet all postal processing standards.
Heavy 16pt Cardstocks & Certified Postal Indicia
Promotional magnets printed with emergency numbers, sports schedules, or service hotlines earn permanent placement on Signal Hill home refrigerators for years of zero-cost impressions.
Fast Print Turnaround & Direct Post Office Drop
Retailers, boutique shops, and specialty stores in Signal Hill use direct mail postcards to announce grand openings, anniversary blowout sales, and exclusive VIP customer appreciation weekends.
3D Interactive Preflight & Address Verification
We offer shrink-wrapping and moisture-barrier protective packaging so that your printed collateral arrives in pristine press-fresh condition at your Signal Hill business or the designated post office.
Full-Service Postal Bundling, Facing Slips & Form 3587
Marketing your local business in Signal Hill, California 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 Los Angeles without the expense of purchasing a residential mailing list.
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 Signal Hill.
Frequently Asked Questions in Signal Hill, CA
Everything you need to know about specs, turnarounds, and commercial press quality:
How long does printing and delivery take for Signal Hill mail drops?
Commercial printing takes 2 to 4 business days. Once printed and bundled, standard USPS delivery to Signal Hill mailboxes takes an additional 2 to 4 business days, meaning your campaign can drop within 5 to 8 business days from final proof approval.
What postcard sizes are approved by the USPS for EDDM in Signal Hill?
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 Signal Hill campaigns are 6.5" x 9", 6.25" x 11", and 8.5" x 11" jumbo mailers.
Is there a minimum order quantity for an EDDM campaign in Signal Hill?
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 Signal Hill business campaigns start between 1,000 and 5,000 homes.
Can I filter out apartments and businesses in Signal Hill?
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 Signal Hill.
More California Direct Mail & EDDM Locations
Direct commercial courier and ground dispatch to neighboring hubs throughout California: