Contact Information

To obtain further information about any of our databases, services, or programs, contact NCBI at:

Postal Address:

National Center for Biotechnology Information
National Library of Medicine
Building 38A
Bethesda, MD 20894

Directions:

Detailed directions to the NLM and NIH campus are available. The NCBI is located in the Lister Hill building.

Telephone:

Internet Addresses:

General Information:  info@ncbi.nlm.nih.gov

• Questions about NCBI and its programs and services
• Technical support
• To request to be added to the mailing list for NCBI News

GenBank Submissions:

• Submitting a GenBank sequence: gb-sub@ncbi.nlm.nih.gov
• Comments or questions about a sequence: gb-admin@ncbi.nlm.nih.gov

GenBank Updates:  gb-admin@ncbi.nlm.nih.gov

• For modifications to existing GenBank records
• Send a simple revision to a GenBank record in paragraph form
• Send a completed update prepared with Sequin

Entrez:  info@ncbi.nlm.nih.gov

• For technical questions regarding the Entrez retrieval system

BLAST:  blast-help@ncbi.nlm.nih.gov

• For technical questions on running or interpreting BLAST sequence comparison searches

Other Technical Support:  info@ncbi.nlm.nih.gov

NCBI Feedback: info@ncbi.nlm.nih.gov