Contact Information

Self Help:

www.DEAecom.gov has a number of on-line resources to assist CSOS customers with program enrollment and certificate retrieval. Additionally, many frequently asked questions have been answered on our Q & A's page.

• On-line customer support resources
• Answers to frequently asked questions

E-mail:

Online Support Request Form

Phone:

1-877-DEA-ECOM (1-877-332-3266) toll free

Our support staff is available 8:30 AM through 5:50 PM (Eastern Time) Monday through Friday.

Postal Mail:

Standard mail (preferred):
Drug Enforcement Administration
Sterling Park Technology Center/CSOS
8701 Morrissette Drive
Springfield, VA 22152

Overnight or express mail only:
Drug Enforcement Administration
Sterling Park Technology Center/CSOS
8701 Morrissette Drive
Springfield, VA 22152

Use the overnight/express mail address for all UPS, FedEx, DHL, and Priority Mail USPS packages.