About Who's Mailing What!

Founded in 1978 as a direct mail archive, today Who's Mailing What! (WMW!) is the world's most complete online library of multichannel direct mail and email campaigns. WMW! provides information on hundreds of thousands of direct mail packages and promotional emails from across the U.S. markets. WMW! houses campaigns more than 200 industry categories including: credit cards, fundraising, insurance, telecom, catalogs, travel, automotive and more. To see the complete list of WMW! categories, click here.

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Who's Mailing What!
WyzResearch LLC
375 Park Avenue
Suite 2607
New York, NY 10152
United States
Phone: (212) 660-9900

General Inquiries: explore@wyzoo.com
Advertising/Sponsorship Information: (212) 660-9900 or explore@wyzoo.com
Customer Support: (212) 660-9900 or explore@wyzoo.com