Resources - FAQ

Frequently Asked Questions

Here we will try to answer any questions you may have about Data Services, Inc. and the numerous services that we offer. If you have any questions that are not answered on this page please contact us.

General Information

How can I contact Data Services?

You can find all Data Services' contact information by clicking on this link

Where is Data Services located?

The corporate office is located in Salisbury, Maryland.

31516 Winterplace Parkway
Salisbury, MD 21804-1883
United States
Phone: (410) 546-2206
Fax: (410) 546-2274

Services Offered

What services does Data Services offer?

Data Services provides a complete range of data processing services for the global direct marketing industry. If you don't see the service you are interested in, please contact us.

Data Hygiene

What are the benefits of international address standardization?

Improvement in deliverability, response rates, deduplication results and ability to make selections based on regions of the world or specific postal code areas.

What process generates the Canadian Address Accuracy Report?

A Canada Post Corporation SERP (Software Evaluation and Recognition Program) certified address standardization program will produce the Canadian Address Accuracy Report.

What levels of international postal data are available?

DSI categorizes countries based on the level of postal data available by each postal system.

Do I need a Canadian Address Accuracy Report in order to receive a postal discount with Canadian Admail?


Can I maintain special characters during hygiene processing?

Yes. Please be sure to include this specification in your data processing instructions.

List Rental Fulfillment

Can DSI maintain and fulfill International lists?

DSI can accomodate domestic, Canadian, and International rental lists. Click here for more information

What is the typical order turnaround?

Orders processed using LEX, our online list rental system, will ship as soon as the order is approved and released - 24/7.

What online list rental services does DSI offer?

LEX (List Express) Click here for more information

What processes will my list pass through during list setup and update?

DSI wants to make sure that you offer only the highest quality names to your clients and will work with you to establish how to add the greatest value.

What are costs associated with list rental services?

List rental services costs are based on list size, list complexity, and order volume. For a price quote, please contact us at or 410-546-2206 Ext 3108.


Can DSI run an international business to business merge/purge?

Yes. Keep in mind that the business to business merge/purge works best when the file contains at least 85% properly fielded business names.

What international MPS (mail preference suppression) files are available?

DSI houses the following international MPS files for use as suppression in the merge/purge: UK, Canada, Ireland, France, Germany, Belgium, The Netherlands, Australia, New Zealand and Finland.

What levels of consumer merge/purge are available for international files?

DSI offers consumer individual, consumer household or consumer residential level merge/purges.

Do I need to run a merge/purge in order to match against in-house, pander or MPS suppression files?


How does DSI define a multi-buyer?

In a merge/purge, a multi-buyer is a record that matched another list and survived to the mail file.