Eli Lilly and Company Headquarters Address, Corporate Office Location, and Contact Details

About
Eli Lilly and Company (doing business as Lilly) is an American multinational pharmaceutical corporation headquartered at Lilly Corporate Center, Indianapolis, Indiana 46285, situated on its historic south-side campus where the company has operated since 1881. Founded in 1876 by Colonel Eli Lilly, the company develops and manufactures medicines sold in approximately 125 countries across 18 countries of operation, employing 45,000+ people worldwide.
Quick Facts
Founded
1876 (Indianapolis, IN)
Industry
Pharmaceutical research, development & manufacturing
HQ Address
Lilly Corporate Center, Indianapolis, IN 46285
Street Address
301–325 E Henry Street, Indianapolis, IN 46285
NYSE Ticker
LLY
Corporate Phone
(317) 276-2000
Lilly Answers Center
1-800-545-5979 (Mon–Fri)
Website
lilly.com
What Brings You Here? Find the Right Contact
Patient — questions about a Lilly medicine or device
Call the Lilly Answers Center at 1-800-545-5979 (1-800-LILLY-RX), available Monday–Friday excluding company holidays, for questions about prescriptions, dosing, and side effects.
Lilly Cares Foundation — patient assistance program
For eligible patients who cannot afford Lilly medicines, contact the Lilly Cares Foundation at 1-800-545-5979 or visit lillycares.com.
Healthcare provider inquiry
Medical and clinical inquiries should be directed to the Lilly Answers Center at 1-800-545-5979 or via lilly.com/about/contact.
Media / press inquiry
Contact Lilly Corporate Communications through lilly.com/news or email media@lilly.com.
Investor relations (NYSE: LLY)
Visit investor.lilly.com or write to Eli Lilly and Company, Investor Relations, Lilly Corporate Center, Indianapolis, IN 46285.
Legal / subpoena
Serve Eli Lilly and Company, Lilly Corporate Center, 301–325 E Henry Street, Indianapolis, IN 46285. Confirm the registered agent through the Indiana Secretary of State at inbiz.in.gov.
Phone & Contact Directory
Lilly Answers Center
1-800-545-5979 (Mon–Fri)
Corporate HQ
(317) 276-2000
Website
lilly.com
Contact page
lilly.com/about/contact
Investor relations
investor.lilly.com
Patient assistance
lillycares.com
Corporate Headquarters & Office Addresses
World HQ
Lilly Corporate Center, 301–325 E Henry St, Indianapolis, IN 46285
Lilly Technology Center
1200 W Morris Street, Indianapolis, IN 46221
Lilly Biotechnology Center
San Diego, CA
Lilly Research Labs
Windlesham, Surrey, UK
European HQ
Erl Wood, Hampshire, UK
How to Escalate a Complaint
- Call 1-800-545-5979 — The Lilly Answers Center is the primary contact for all medicine, device, and patient service escalations.
- Use lilly.com/about/contact — Submit documented written complaints through the official contact portal for tracked responses.
- Report an adverse event: For side effects or safety concerns, contact the Lilly Answers Center at 1-800-545-5979 or report directly to the FDA at fda.gov/safety/medwatch.
- Mail to the Indianapolis HQ — Write to Eli Lilly and Company, Lilly Corporate Center, Indianapolis, IN 46285.
- File with the FDA — For drug quality, safety, or labeling complaints, submit a MedWatch report at fda.gov/safety/medwatch.
- File with the Indiana AG — The Indiana AG’s consumer protection division at in.gov/attorneygeneral handles Indianapolis HQ–based complaints.
- File with the FTC — For deceptive pharmaceutical marketing or pricing practices, file at ftc.gov/complaint.
- File with the SEC — For NYSE: LLY securities concerns, file at sec.gov/tcr.