EMAIL APPEND SERVICE

Recognized as one of the best email append services in 2025

$0.03 per Verified Email Match

Enhance your marketing efforts by adding accurate, verified email addresses to your prospect, customer, donor, or mailing lists. Our email append service quickly matches emails to your existing contacts, achieving match rates up to 60%.

Leveraging our refreshed 2025 database of over 750 million emails, you can boost your ROI through effective email campaigns.

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How Email Append Works:

1. Upload Your List

And complete a simple mapping step.

2. Map your Columns

Identify the first name, last name, and address fields.

3. View Match Report

In minutes, you'll receive a no-obligation match report.

4. Purchase & Download

your list complete with email addresses for just $0.03 or less per Email!

Lower prices are available on Pre-Payment Plans.

Easy, Fast, & Affordable.

Most lists take less than 10 minutes to process.

What is an Email Append Service?

An Email Append Service adds verified email addresses to your contact list by matching them to existing names and postal addresses—helping you expand your reach through targeted email campaigns.

Email Append Use Cases

Marketing Agencies

Email is a low-cost high ROI lead generation strategy for engaging consumers and B2C prospects.

Political Campaigns

Expand your outreach through targeted email campaigns - ideal for fundraising, building awareness, and mobilizing supporters

Automotive

Auto Dealers use email append to acquire new customers, remarket to existing ones with service and trade-in offers, boost loyalty, and enable social media retargeting

Fundraising

Email marketing is a effective outbound strategy for nonprofits & political campaigns to drive fundraising and donor engagement.

Want to automate your email append process?Explore our Email Append API for seamless integration

HOW TO APPEND EMAIL ADDRESSES:

See how to add Emails to your postal records.

HOW TO REVERSE APPEND EMAILS:

See how to add postal data to your Email records.

Email Append Service FAQ'S

What is Email Appending?

Email appending is the process of finding and adding missing email addresses to your contact list by matching names and postal addresses against our 750 million-record database to return the most accurate email for each individual.

Can You Match Emails to Older or Legacy Data?

Yes, we can! For files with over 75,000 records, we offer complimentary USPS Address Update (CASS & NCOA). This service standardizes addresses and updates any moves from the past 48 months, enhancing both email match rates and the accuracy of your name and address data. Contact your account manager to take advantage of this service.

What are the Types of Email Append Services?

The most common services are business email append and consumer email append. We also offer reverse email append, which starts with an email address and matches it to the corresponding name, postal address, and phone number.

How Accurate Are Your Appended Emails?

Our email append accuracy typically ranges from 75% to 87%. We use a proprietary matching algorithm that appends at both the individual and household levels. All emails are then verified and scrubbed to ensure up to 98% deliverability.

What is the Turnaround Time for Email Appends?

Most email append requests submitted through our 24/7 online platform are completed in under 10 minutes.

Can I View the Match Results before Purchasing?

Yes — every list you upload receives a no-obligation match analysis. Simply create an account at www.DataZapp.com and upload your file to view your detailed match report.