The U.S. Postal Service is in the midst of a budget crunch, and as a result may close several of its branches across the country. There are 32,741 post offices in America, and nearly 10 percent of them are under review. The battered economy and the fact that more people are paying bills and sending e-mail online is hurting the post office's bottom line — the Postal Service says it may lose $7 billion this year alone. Is your post office branch at risk of closing? You can see the full list HERE.