LLNL Lawrence Livermore National Laboratory Customer Care service Phone number, Office Address, Toll-Free, Social profiles- Lawrence Livermore National Laboratory is a Department of Energy national security laboratory and it is operated by Lawrence Livermore National Security, LLC. It was established in 1952 as the University of California Radiation Laboratory at Livermore. They provide the transformational solutions to the most pressing national security challenges. For the Searchers, we will provide the contact detail of them. You can easily contact them.