The United States Postal Service (USPS) is giving Oklahoma customers a gentle reminder to maintain their mailboxes ask National Mailbox Improvement Week.

The United States Postal Service is reminding customers in Oklahoma to maintain their mailboxes during National Mailbox ...

With National Mailbox Improvement Week approaching (May 18 – May 24), the U.S. Postal Service is encouraging customers to inspect, maintain, and upgrade their mailboxes to help ensure safe, secure, ...

Featuring classical architectural styles and New Deal-era murals, these beautiful post offices prove that sending a letter ...