Wellesley Hills Post Office 337 Washington St, Wellesley Hills, MA02481 The Wellesley Hills Post Office is located next to the Wellesley Hills commuter rail station on Washington Street. This…More USPS location runs 37 routes, covered by 45 letter carriers. The manager of the post office is Joseph LaCorte, who has worked at this location since 2007. The office is one of three serving the town of Wellesley, and is the largest of the three. For information about current postal rates and mailing options, visit the USPS Web site.