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, 6am–6pm and Saturday–Sunday, 7am–1pm Pacific Time and can be reached toll‑free at 1‑855‑889‑7867.
If you are interested in linking multiple Stamps.com accounts or a complete enterprise-level postage reporting solution, please click here for more information.
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.
If you would like to discuss a strategic alliance or marketing opportunity, please contact us by using our Strategic Alliances Form.
If you are interested in integrating Stamps.com features into your software, please click here for more information.
For investor relations information please visit the Investor Relations Contact Page.
For inquiries related to public relations, or if you are with the press or media, please contact us by using the Public Relations Form.
For inquiries related to our website please use the Webmaster Form.
Stamps.com
1990 E. Grand Ave
El Segundo, CA 90245-5013