More than a quarter of the top 500 leading foreclosure zip codes are in California, according to a recent survey for CNNMoney.com by RealtyTrac, an online marketer of foreclosure properties. Among them, seven East Bay zip codes are represented. Antioch led the region with two zip codes for a total of 837 foreclosures during the three months that ended June 15. The other zip codes are located in Oakland (94603 and 94605 with 412 total foreclosures), San Pablo (94806 with 260), Richmond (94804 with 223), and Oakley (94561 with 200). Sacramento had the overall highest number of foreclosures in California, with twelve zip codes accounting for 3,726 foreclosures. While California has the largest percentage of the total foreclosure filings in the United States, many of the worst-hit zip codes are in the Midwest. Topping the list is a Cleveland zip code with 783 filings. Detroit has five zip codes represented in the Top Ten for a total of 2,445 foreclosures. The total list is here.