How to Write a Postcard

Tobias Reed
Tobias Reed Production Knowledge Lead at 4OVER4.COM

A postcard says a lot in a little space. Here is what to write with real message samples, how the address side is laid out, where the stamp goes, and how to print custom postcards for a mailing.

Write your message on the left half of the address side and the recipient address on the right half. Open with a greeting, share one or two lines, add a personal detail, then sign off with your name. Put the stamp in the top right corner, keep the address block to three lines, and leave the bottom strip clear for the postal barcode.

A printed postcard with a handwritten message, printed by 4OVER4

Start here

Writing a postcard in one paragraph

Keep the message short and the layout standard. On the address side, your note goes on the left half and the recipient address on the right. Open with a greeting, write one or two lines, add a personal detail, and sign off with your name. Write the address on three lines, place the stamp in the top right corner, and leave the bottom strip clear for the postal barcode. The layout below maps every zone.

The Address Side of a Postcard Message left, address right, stamp top corner · 4OVER4.COM Message area Greeting, a line or two, then your sign-off Stamp Return address (top left of right half) Recipient Name Street address City, State ZIP Leave clear for USPS barcode

What to write on a postcard, with samples

A printed postcard with a handwritten message, printed by 4OVER4

A postcard is short by design, and that is its charm. You are not writing a letter, you are sending a moment. The message follows a simple arc: a greeting, a line or two of substance, a personal touch, and a warm close with your name.

Samples make it easy. For a trip: Hi Mara, the coast here is unreal and the coffee is even better. Wish you were on the next stool. Love, Jen. For a thank you: Dear Mr. Ruiz, thank you for the referral, it meant a lot. Best, The Delgado team. For an invitation: Hi neighbors, join us Saturday at 3 for the block party on Elm. See you there, Unit 4.

Notice how each one says one thing and stops. On a card this size, restraint reads as confidence. If you are sending a business card mailing, the same arc works: a friendly opener, one clear offer, and a simple call to visit or reply. Our guide on making postcards covers the design side that carries your words.

The address-side layout

The address side of a postcard showing the message on the left and address on the right, printed by 4OVER4

Flip the card over and you will find the working side, and it is split down the middle for a reason. Your written message lives on the left half, and the recipient address lives on the right half. Keeping them apart is what stops your words from tangling with the address and the postal markings.

The address block itself is three lines: the recipient name, the street address with any unit number, then the city, state, and ZIP. Write it neatly in dark ink so automated sorters can read it, and keep it in the right half with a little breathing room.

This split is standard on almost every printed postcard, and it is why the back of a card is pre-divided by a line. For a full walkthrough of the delivery address, our guide on addressing a postcard lays out every line.

Where the stamp goes

A postcard with a stamp placed in the top right corner, printed by 4OVER4

The stamp has one home: the top right corner of the address side. Placing it there keeps it clear of the address block below and lets the postal equipment find and cancel it cleanly. A stamp stuck anywhere else can slow the card down or send it back.

A printed postcard with a handwritten message, printed by 4OVER4
The finished card, picture side. This is the half that gets seen first, so the image carries the mood and the words carry the meaning.
The address side of a postcard showing the message on the left and address on the right, printed by 4OVER4
The same card filled out. Message on the left half, the three-line delivery address on the right half, and the bottom strip left empty for the postal barcode.
A postcard with a stamp placed in the top right corner, printed by 4OVER4
Close up on the top right corner: stamp in the corner, return address opposite it, and the recipient name, street with unit number, then city, state, and ZIP running below.

Leave the bottom strip of the address side free of writing too. Automated sorters print a routing barcode along the lower edge, and anything written there can interfere with it. Treat that strip as reserved space.

Postcards usually need less postage than a letter, but the exact amount depends on the card size, since oversized cards cost more to mail. Our guide on stamp size on a postcard explains how much postage your card needs before it goes out.

Order and mail custom postcards

A stack of custom printed postcards ready to mail, printed by 4OVER4

Writing one postcard by hand is a joy. Sending a hundred for a business, an event, or a save-the-date is a different job, and that is where printed custom postcards earn their keep. Set your message and design once, and print the whole run identical and clean.

For a mailing, choose a stock with an uncoated or matte back so an address prints or writes easily, keep the message and address zones respected in your layout, and pick a size that suits both the design and the postage tier. Standard direct-mail postcards keep costs low, while oversized postcards command attention in the mailbox.

Add a mailing service and 4OVER4 can print and send to your whole list, so you skip stamping each card by hand. Use the live specs and pricing below to plan your postcard order, from a single design to a full campaign.

Wally keeps the two sides in their lanes

Message left, address right, stamp top corner

Wally, the 4OVER4 mascot holding a 4, filling out the message on the left and the address on the right of a postcard

Wally writes the note on the left half and the address on the right so nothing collides. He opens with a greeting, says the one thing worth saying, adds a personal touch, and signs off. Then the stamp goes top right and the bottom stays clear for the barcode. Sending a whole batch? Print custom postcards and mail the run at once.

Order custom postcards now →

Quick reference

The postcard message, at a glance

Follow this order and layout and your postcard reads clearly and mails without a hitch.

PartKeep it toWhy it matters
GreetingDear name, or Hi nameA short, personal opener sets the tone in the small space a postcard gives you.
BodyOne or two linesSpace is tight, so lead with the one thing worth saying and keep it warm.
Sign-offYour name, close warmlyA simple Love, or Best, followed by your name closes the note cleanly.
Message placementLeft half of address sideKeeps your words clear of the address block and the post office markings.
Address blockRight half, three linesName, street, then city, state, and ZIP so carriers can read it fast.
StampTop right cornerThe standard spot for postage, clear of the address below it.

Step by step

Write and send a postcard in 7 steps

  1. Start with a greeting Open on the left half of the address side with a warm hello, such as Dear Sam or Hi team, so the reader knows the note is for them.
  2. Write one clear message Share the single thing worth saying: a hello from a trip, a thank you, an invitation, or an offer. One or two lines is plenty on a postcard.
  3. Add a personal detail A small specific detail, a place, a moment, a name, makes the card feel written just for them rather than mass-produced.
  4. Close and sign End with a short sign-off like Love, Best, or See you soon, then your name, so the note feels finished.
  5. Write the address block On the right half, write the recipient name, the street address, then the city, state, and ZIP on three clear lines.
  6. Place the stamp Put the stamp in the top right corner of the address side, keeping it clear of the address and the bottom edge.
  7. Order and mail in bulk For a business or event card, set the message and design once, then print and mail custom postcards to your whole list at once.

Specs and pricing

Direct-mail postcard specs and live pricing

Once your message is set, the print decisions come down to size, stock, and quantity. Here are the live specs and price-per-unit for direct-mail postcards at 4OVER4.COM, straight from the configurator.

Printing Specifications & Options
Paper Type (7)
14pt Gloss Cover14pt Matte/Silk Cover14pt High Gloss UV Front; Coated Back16pt Gloss Cover16pt Matte/Silk Cover16pt High Gloss UV Front; Coated Back+1 more
Ink Color
4/0 : 4 Color Front; Blank Back4/1 : 4 Color Front; Black Ink Back4/4 : 4 Color Both Sides
Proof Options
Straight To ProductionFree Online ProofNext Day Hardcopy Proof
Direct Mail Postcards Pricing
Starting from $89.68
QuantityPrice Per UnitTotal
50017.9¢$89.68
1,00017.1¢$170.53
2,0009.35¢$186.95
3,0006.84¢$205.13
4,0005.58¢$223.31
5,0004.83¢$241.51
6,0004.56¢$273.85
7,0004.37¢$306.18
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Direct Mail Postcards
Direct Mail Postcards
From $89.68
64 ordered
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Oversized Postcards
From $51.62
102 ordered
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Folded Postcards
Folded Postcards
From $84.36
103 ordered
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See it in use

Real postcard work, printed in-house

Print showcase · Direct Mail Postcards
4OVER4.COM Postcards Showcase: real customer work printed in-house at 4OVER4's Queens, NY facility.
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Postcard printing you can count on at 4OVER4

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Common Questions

Common questions about writing a postcard

What is the right way to write a postcard?

A postcard has two sides and a simple structure. The picture side carries the image or design. The address side is split down the middle: your written message goes on the left half, and the recipient address goes on the right half. On the message side you open with a greeting, share one or two short lines since space is limited, add a personal detail, then close with a sign-off and your name. The address block uses three lines for the name, the street, and the city, state, and ZIP, with the stamp in the top right corner and the bottom strip left clear for the postal barcode.

How do I fill out a postcard so the post office can read it?

Use the right half of the address side for the delivery address, written on three clear lines: the recipient name, the street address with any apartment or unit number, and then the city, state, and ZIP code. Print neatly in dark ink, place the stamp in the upper right corner, and keep the lower portion of the address side free of writing, because automated sorters print a routing barcode there. Your personal message stays on the left half so it never overlaps the address or the postal markings, which is what keeps the card moving without delay.

What does it cost to print and mail postcards, and how are prices set?

Writing a personal postcard costs only a stamp. Printing custom postcards for a business or event scales with a handful of levers: quantity, where larger runs lower the per-card price, plus the card size, the paper stock, and any finish. Mailing services add postage and handling, and direct-mail postage often qualifies for bulk rates. You set the size, stock, and quantity in the configurator at 4OVER4.COM and the price updates live, so you can see exactly how a bigger run or a larger card changes the cost before you order.

What sizes, stocks, and finishes are available for postcards?

Postcards come in a range of sizes from the standard 4 by 6 inch card up to oversized 6 by 11 inch formats, plus folded postcards when you need more room. Stocks range from a sturdy everyday card to premium heavy stocks, and finishes include matte, gloss, uncoated for easy writing, and specialty options like foil or a soft-touch coating. For mailings, an uncoated or matte back makes it easy to write or print an address, while a glossy front makes the image pop. Choosing the size and stock together sets both the feel of the card and the postage tier.

How long do custom postcards take to print and ship?

Custom postcards are printed to order, so the timeline covers printing and any finishing before the order ships or enters the mail stream, and it depends on the size, stock, finish, and quantity you choose. The live product page at 4OVER4.COM shows the current production and shipping estimate for your selected options, and mailing services add delivery time on top. You always see the estimate before checkout, which makes it easy to plan a campaign or an event around a mail date.

Where does the address go on a postcard?

The delivery address goes on the right half of the address side, the same side you write your message on, never on the picture side. It runs three lines: the recipient name, the street address with any apartment or unit number, then the city, state, and ZIP code. Start the block roughly level with the middle of the card so it sits clear of the stamp above it and the barcode strip below it, keep every line inside the right half, and write or print in dark ink on a light background so automated sorters read it on the first pass. On a standard 4 by 6 inch card that leaves the whole left half for your message. Your own return address goes in the top left corner of the same side, in smaller type, so an undeliverable card comes back to you. If you are hand addressing the cards, order the back uncoated or matte, because ink smears on a gloss coating.

Where does the stamp go on a postcard?

The stamp goes in the top right corner of the address side, above the delivery address block, and never on the picture side. That corner is where postal equipment looks for postage, so a stamp placed anywhere else can slow the card down or send it back to you. Leave a small margin in from the top and right edges, keep that corner free of writing and design, and leave the strip along the bottom of the card clear as well, because sorters print a routing barcode across it. On a printed run going out as direct mail, the same corner carries the indicia or the meter mark instead of a stamp, so leave it empty in your artwork rather than filling it with the design.

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