Contact us

For general enquiries, please consult our frequently asked questions or email us at icsidsecretariat@worldbank.org. 
 
For information regarding ICSID hearing facilities, including their availability in non-ICSID cases, contact our hearings organization team at icsidbookings@worldbank.org
 
For information on case-related invoices and refunds, contact our finance team at icsidpayments@worldbank.org
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ICSID
1818 H Street, N.W.
MSN C3-300
Washington, D.C. 20433
U.S.A. 

Phone No. (202) 458-1534
Fax No. (202) 522-2615
E-mail: ICSIDsecretariat@worldbank.org 

Visitors/ Local Deliveries Address: 
1225 Connecticut Ave., N.W. (known within the World Bank Group as the C Building)
3rd Floor
Washington, D.C. 20036

U.S.A. 
  
Pre-arranged deliveries may be made between 9:00 a.m. and 6:00 p.m., Monday through Friday. Upon arrival, please call an ICSID staff member or ICSID’s general number ((202) 458-1534) in order for ICSID staff to accept delivery.