America's most expensive ZIP code isn't in California or New York

Seven of the 10 most expensive ZIP codes in the U.S. are in California. But the nation's priciest ZIP code lies elsewhere.

N.J.’s most expensive zip code is tied with Beverly Hills 90210 in a national ranking

Homes in Alpine in Bergen County are the same price as those in Beverly Hills’ famous 90210 zip code, according to an annual survey by real estate data firm Property Shark. Alpine continues its reign ...