Opinion: You've Got Mail – Come and Get It  - Laguna Beach Local News
The US Postal Service traces its roots to 1775 when Benjamin Franklin was appointed the first Postmaster General. Local postmasters were commonly appointed to reward political supporters; newspaper editors and local politicians were often named. In small towns such as Laguna Beach, the job often fell to a local storekeeper and the post office was located in his store.
Source: lagunabeachindy.com