(There are also interstate highways with this number in Washington & Oregon, but the California version is the most famous.)
2. called “the 405”, central Oklahoma and especially Oklahoma City. So called for its area code.
3. 405 "Method Not Allowed", an HTTP error code.
2. Back in the 405, we used to have it so good.
3. Um, John, why is there a big 405 on the screen?