9×12 Agency

How to Measure Success from a Mailer Marketing Campaign (EDDM Postcards)

Give Your Advertisers Real Ways to Track Their Results

 

When a local business invests in a shared-cost EDDM postcard, one of their first questions will be:

“How will I know if this actually works?”

 

As an agency owner, you need to guide them with smart, practical strategies that help them track performance and measure real results — even from a physical mail piece.

 

Good news: There are simple, proven ways to do this — and you can help your advertisers implement them from the very first campaign.

Let’s break them down.

1. Use a Dynamic QR Code

A dynamic QR code is one of the easiest ways to monitor engagement from a mailer.

 

Instead of linking to a general website homepage, generate a custom QR code that:

This gives your advertiser instant, visible feedback on interest and interaction — and makes it super easy for the customer to take action.

Recommend free or paid tools like:

2. Use a Unique Phone Number

Assign a dedicated phone number for the postcard campaign.

This can be:

Every call, text, or missed call from that number becomes data — showing the real impact of the mailer.

Pro Tip: A simple voicemail greeting like “Thanks for responding to our postcard!” also reinforces the campaign source.

3. Use a Unique Coupon or Mention Offer

Another classic and effective method.

 

Ask your advertisers to include a unique offer that customers can only get from the mailer. For example:

It’s old school — but it works.

Customers feel like they’re getting something special, and businesses can track exactly how many redeemed the offer.

4. Use a Dedicated Landing Page or URL

If your advertiser’s goal is online bookings, estimates, or sales, create a separate landing page just for the mailer.

For example:

  1. www.YourBusiness.com/postcard
  2. www.RoofingCompany.com/eddoffer
  3. www.LocalDentist.com/scan

Use that page to:

You can also set up Google Analytics UTM tracking or a conversion pixel to monitor performance — just like digital ads.

Bonus: Ask for Feedback

This one’s often overlooked.

Encourage your advertisers to train their staff to ask every new customer:

Even if you’re using tracking tools, this extra step creates stronger awareness and reinforces the power of direct mail inside the business.

Over time, your advertisers will begin to see patterns — and that builds long-term trust in your agency.

Want to Help Your Advertisers Succeed — and Look Professional from Day One?

We’ve built a complete EDDM Agency Starter Bundle to help you hit the ground running:

With this bundle, you don’t just mail postcards — you run a real agency that gives value to advertisers and earns repeat income.

Get it now at 9x12agency.com

Final Thoughts

When you help advertisers track their ROI, you’re doing more than selling ad space — you’re becoming a trusted marketing advisor.

 

Make sure your clients understand how to measure their success — from QR scans to coupon redemptions to phone calls. These small efforts go a long way in getting repeat clients, referrals, and credibility in your community.

 

Start small. Show results. And let your agency grow from there.

 

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