Help Center

How do I reach Thomas?

You may contact us by email, phone or mail. Our business hours are Monday-Friday 9:00 AM to 5:00 PM (Eastern Standard Time)

Questions regarding this site or technical assistance should be addressed to Web Administration at You may also contact Web Administration by phone at (212) 629-1194 or fax (212) 560-1938.

Questions regarding your ad program should be addressed to our Customer Service Representatives at You may also contact Customer Service by phone at (866) 614-6028 or fax (212) 290-7205.

Questions regarding you bill or payment should be addressed to our Accounts Receivable Department at You may also contact Accounts Receivable by phone at (212) 290-7244 or fax (212) 613-3456.

Mail correspondence should be directed to:
Thomas Publishing Company, LLC
Five Penn Plaza
17th Floor
New York, NY 10001
Attn: Customer Service

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For technical assistance, please contact Customer Service.
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