Expand Your Marketing Reach with an SL360 Email Address Append

Do you want to expand the communication reach of your business?

Expanding the email communication reach of your business can be easy and cost-effective with SL360's Email Address Append! The email append can be applied to both consumer and business databases. We even offer a reverse email append for those clients that you only have their email address for.

Consumer Email Addresses

Through the consumer email address append, we can add email addresses to your database of consumer names and postal addresses. This can be done online 24/7 within an SL360 account or with the help of one of our Data Scientists.

Business Email Addresses

We can also add business email addresses to your database. This can be matched at an individual, address or business level to help you get in touch with your business contacts!

Reverse Email Append

Does your client database only contain email addresses? Don't fret - we offer a reverse email append! We can append a variety of information to expand your communication reach and consumer insight including names, postal addresses, phone numbers, demographics, and psychographic data.

How Email Append Works

How Email Append Works

Learn more about Email Address Append

1 Inquire with us at support@SL360.com

2 We'll reach out within the next business day to schedule a video call

3 Discuss how an Email Append can help your business with our support team over a video call and you'll receive a $25 Amazon gift card.

  Ask us about our FREE no obligation match rate report

Frequently Asked Questions


Send us a customer file that includes the customer name and postal mailing address. Consumer email appends start at just $500.00 and business email appends start at $1,000.00.

Please contact our team at support@usadata.com; 800.305.7707; or chat live with a data specialist to get started!

The typical match rate is between 15% and 30% for an email append on SL360.

  • Your file may only include customer records. Emails cannot be appended to prospect records.
  • Your file must be in one of the following formats:
    • CSV
    • Excel (97 or newer)
  • Files require field headers in the first row and must include ALL of the following fields:
    • First Name
    • Last Name
    • Address
    • City
    • State
    • ZIP Code (5-digit)
  • Your file name may only contain letters and/or numbers. File names with special characters including spaces and periods will be rejected.

Depending on the size of your file you may receive results in 2-4 hours after loading your customer file.

Yes, we offer a reverse email append! We will use the existing email addresses to locate the matching name and postal address. We can also verify your existing email address to ensure its deliverable.

We can help clean and verify your existing email addresses through our Email Verification offering on SL360.

Inquire with our friendly Data and Digital experts for a free consultation!

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