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Oppenheimer Phone Numbers and Emails

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Toll-Free Number:

(800) 221-5588

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Customer Service:

(212) 668-8000

Frequently Asked Questions

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You can contact a live person at Oppenheimer by calling their customer service phone number or visiting a local branch.

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Contact Information

Oppenheimer Website:

Oppenheimer Help Center:

Corporate Office Address:

Oppenheimer and Co. Inc.

85 Broad St

New York,

New York

10004

United States

Help in Social Networks:

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Other Info (opening hours):

Hours:

Monday - Friday: 8:00am - 8:00pm

Saturday: 10:00am - 2:00pm

About Oppenheimer

J. Robert Oppenheimer was an American theoretical physicist and one of the key figures in the development of the atomic bomb during World War II. Born in 1904, Oppenheimer studied at Harvard University and the University of Göttingen before becoming a professor at the University of California, Berkeley. He was appointed as the scientific director of the Manhattan Project, the top-secret U.S. government program that developed the first nuclear weapons. After the war, Oppenheimer became a vocal advocate for international control of nuclear weapons and opposed the development of the hydrogen bomb. However, he faced political persecution during the Red Scare and was stripped of his security clearance. Despite this, Oppenheimer continued to make significant contributions to physics until his death in 1967.

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