Mailing Address

NIEHS and National Toxicology Program
National Institute of Environmental Health Sciences
P.O. Box 12233
Durham, NC USA 27709

For Mail questions contact:

Rhonda Carroll
Support Services Specialist
Tel 984-287-3595
Fax 919-541-4704
[email protected]

Street Addresses (physical location purposes only)

  • NIEHS Main Campus - Rall Building
    National Institute of Environmental Health Sciences
    111 T.W. Alexander Drive
    Durham, NC USA 27709
  • Keystone Building
    National Institute of Environmental Health Sciences
    530 Davis Drive
    Morrisville, NC 27560
  • NIEHS Office at NIH
    National Institute of Environmental Health Sciences
    Building 31, Room B1C02
    31 Center Drive MSC 2256
    Bethesda, MD USA 20892

Shipping and Delivery

NIEHS restricts delivery of all supplies and equipment to a Central Receiving Warehouse with several exceptions.

Warehouse delivery questions:

Kim Jones
Inventory Management Officer
Tel 984-287-3086
[email protected]

Labeling Instructions:
The packing slip, delivery label, and order must include the recipient's name and building/room number. The recipient or ordering official's name on the package is critically important to ensure timely and accurate delivery. Delivery must be made to the following central location:

NIEHS Central Receiving
105 T.W. Alexander Drive, Building 110
Research Triangle Park, NC 27709 

Attention: (identify ordering official or end recipient here)

  • Please Note: Building is 110, not 104.


Regular US Postal Service (USPS) Mail

All mail arriving via regular USPS is picked up from the local post office daily by the Central mail room staff and delivered to recipients on the same business day. Mail arriving via USPS must be addressed to NIEHS PO Box 12233 as shown below. The PO Box address is required for incoming mail from USPS.

  • Individual's name or office name
    Building, Room & Mail Drop
    PO Box 12233
    Research Triangle Park, NC 27709

PLEASE NOTE: The USPS does NOT recognize the Keystone 530 Davis Drive address as a valid NIEHS address. All mail sent via USPS to the Keystone 530 Davis Drive address will be discarded by the USPS and not delivered.

Express Mail (FedEx, UPS, etc.)

  • Packages arriving via an express service such as FedEx or UPS can be addressed to either 111 T.W. Alexander Drive or Keystone 530 Davis Drive.
  • Express packages addressed to 111 T.W. Alexander Drive will be delivered to the Building 110 Warehouse and then delivered by the warehouse staff to the recipient on the same business day.
  • Express packages addressed to Keystone 530 Davis Drive will be delivered directly to the Keystone building by the express service with no involvement from the warehouse staff or the mail room staff.

Small animals are delivered to the Main Campus Rall Building.

Dry Ice and Gas Deliveries are delivered to the Main Campus Rall Building.

Molecular Biology Reagents are delivered to the Self Service Store, Main Campus Rall Building.

Radioactive materials are delivered to Building 104.

Items requiring special handling, installation, or warranty guarantee requirements may be directly delivered if approved in advance by the Chief, Facilities Engineering Branch or the Chief, Administrative Services Branch.