Stamps.com Contact InformationPlease select a form below to contact the appropriate Stamps.com representative.

Customer Support or General Information, including billing and technical issues

Online Support is the fastest and easiest way to find answers to your questions.

Email Support responds within 1 – 2 business days.

Telephone support is available Monday - Friday, 6 a.m. – 6 p.m. Pacific Time, and can be reached toll-free at 1-855-889-7867.

Enterprise Sales

If you are interested in linking multiple Stamps.com accounts or a complete enterprise-level postage reporting solution, please click here for more information.

Affiliate Program

Would you like to make money by referring customers to Stamps.com? Sign up for our Affiliate network today by using the Affiliate Program Form. Please click here for more information.

Strategic Alliances

If you would like to discuss a strategic alliance or marketing opportunity, please contact us by using our Strategic Alliances Form.

Developers/Software Integration Partners

If you are interested in integrating Stamps.com features into your software, please click here for more information.

Investor Contacts

For investor relations information please contact us by using the Investor Relations Contact Form.

Public Relations

For inquiries related to public relations, or if you are with the press or media, please contact us by using the Public Relations Form.

Web Site Contacts

For inquiries related to our website please use the Webmaster Form.

Stamps.com
1990 E. Grand Ave
El Segundo, CA 90245-5013