What is la 415?

As an AI language model, I am not aware of any specific information about "la 415" without additional context. However, "LA" typically refers to Los Angeles, a city located in California, USA. "415" is a common area code for San Francisco, another city in California. It could also refer to various products, services, or organizations with 415 in their name. Without more context, I am unable to provide more specific information about la 415.