"james: "hey, where does justin go to college?"  john: "he's somewhere in new york, but he's on spring break now, so he's back in the 301
"a term only natives from the washington dc metropolitan area would understand, meaning "back home"
""james: "hey, where does justin go to college?"  john: "he's somewhere in new york, but he's on spring break now, so he's back in the 301" What is the definition of "back in the 301"?