Pro Postcards and Express Postcards at LetterStream

How to Send Business Postcards Online in Minutes

Can you really send postcards from your computer without printing or visiting the Post Office?

Yes. Businesses today can send postcards online using a print and mail service, allowing them to upload designs, choose recipients, and send physical postcards through the United States Postal Service (USPS) in minutes.


Postcards may seem simple, but they remain one of the most effective ways to communicate with customers, residents, and clients. They’re easy to read, hard to ignore, and perfect for reminders, promotions, and quick thank-you messages.

The challenge for many organizations isn’t deciding to send postcards. It’s the logistics of printing them, addressing them, adding postage, and coordinating the mailing process.

Fortunately, sending postcards no longer requires stacks of cardstock, label printers, or trips to the post office. Businesses can now send postcards online directly from their computers.

Why Postcards Still Work in a Digital World

In a world full of emails, notifications, and digital ads, postcards offer something different: visibility.

Unlike an email that may sit unread in an inbox, a postcard arrives physically in someone’s mailbox. There’s no envelope to open and no login required to view it. The message is immediately visible.

This makes postcards especially useful for short, clear communications such as:

  • Appointment reminders
  • Payment reminders
  • Event announcements
  • Limited-time promotions
  • Thank-you notes
  • Customer follow-ups

Many businesses find that postcards work particularly well because they feel personal while still being quick to read.

For organizations that regularly communicate with customers, residents, or patients, the ability to send postcards online makes the process far easier.

Common Ways Businesses Use Postcards

Postcards are surprisingly versatile across industries. Because they are concise and direct, they’re ideal for messages that don’t require long explanations.

  • Healthcare offices often send appointment reminders or wellness check notices using postcards.
  • Property management companies and HOAs may use postcards to remind residents about meetings, inspections, or community events.
  • Retail businesses frequently send promotional postcards announcing sales or seasonal offers.
  • Service-based companies may use postcards to thank customers for their business or encourage repeat visits.

In each of these cases, the message is simple and timely. The postcard acts as a quick nudge that encourages the recipient to take action.

When businesses use a print-to-mail service to send mail online, they can distribute these reminders quickly without managing the printing process themselves.

The Traditional Postcard Mailing Process

Before online mailing tools became common, sending postcards required several manual steps.

First, postcards needed to be designed and printed. This often meant ordering them in bulk from a print shop or printing them internally.

Next came addressing. Businesses had to apply labels or print addresses directly onto the cards.

Then postage had to be applied, either with stamps or postage meters.

Finally, the entire batch had to be taken to the post office.

For organizations sending dozens or hundreds of postcards, this process could take hours.

Today, however, most of those steps can be handled digitally.

How to Send Postcards from Your Computer with LetterStream

With LetterStream’s workflow, businesses can send postcards from their computer without managing printing, addressing, or postage themselves.

The process is designed to be simple and fast.

First, you choose your size postcard. LetterStream offers two options: Express Postcard and Pro Postcard.

Next, upload your recipient list. Most businesses already store customer or contact information in spreadsheets or CRM systems, so uploading an Excel or CSV file usually takes only a few seconds.

After upload your postcard design into The Stream. This can be a front-and-back postcard layout exported as a PDF from your design software or marketing platform.

Once the design and recipient list are loaded, you review your proofs, confirm the mailing details, and submit the job.

From there, LetterStream handles the rest. The postcards are printed, prepared for mailing, and entered into the United States Postal Service (USPS) mail stream.

For the business sending them, what once required coordinating printing, labels, stamps, and a Post Office run can now be completed in just a few minutes directly from a computer.

Why Businesses Use Postcards to Stay Connected with Customers

Communication doesn’t always need to be complicated to be effective.

Sometimes the most powerful message is a short reminder, a quick promotion, or a simple thank-you.

Postcards have remained popular for decades because they deliver that kind of message clearly and directly.

Today, businesses don’t need to manage the printing, addressing, or postage themselves. With the right tools, they can send postcards online in minutes and focus on building stronger connections with their customers.

To learn more about LetterStream or to sign up for a free account, click here.

LetterStream offers bulk printing and mailing services, allowing companies to send physical mail online. Whether it’s online Certified Mail, First-Class Mail, FedEx 2Day, or postcards, we give both small businesses and large corporations the time and freedom back to work on tasks that better serve the company. If you’re interested in creating a free account, you can do so here.