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!
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Philadelphia, PA 19130
United States
Phone: 215-238-5300; 800-777-8074

General Inquiries: archives@napco.com
Advertising/Sponsorship Information: 215-238-5361 or wmwtlc@napco.com
Customer Support: 1-800-777-8074 / 215-238-5361 or wmwtlc@napco.com