Mr. Zip, a gangly cartoonish figure with wide friendly eyes and a neat blue mail carrier's uniform, emerged fifty years ago to help the U.S. Postal Service promote its newest idea: five numbers added ...

Editor's Note: The Business Journals evaluated almost 33,200 ZIP codes to compile its new wealth index. The wealthiest ZIP codes rankings are intended to capture the greatest concentrations of wealth.

RALEIGH, N.C. (WTVD) -- The hilly, tree-lined streets of Hayes Barton are dotted with wrought-iron fences and huge homes that sit behind them. It seems nearly every property is perfectly manicured.