https://en.wikipedia.org/wiki/Postal_Service_Act 2 See also Postal Service Act US Postal Service Act of 1792 Postal Service Act US Postal Service Act of 1792 Postal Service Act 1 History Postal Service Act Postal Service Act The Postal Service Act Postal Service Act Postal Service Act Postal Service Act History US Postal Service Act of 1792 Postal Service Act Postal Service Act US Postal Service Act of 1792 Postal Service Act Postal Service Act US Postal Service Act of 1792 Postal Service Act US Postal Service Act of 1792 Postal Service Act Postal Service Act Postal Service Act Postal Service Act 3 References Postal Service Act 4 External links US Postal Service Act of 1792 Postal Service Act Postal Service Act History Postal Service Act This encouraged literacy US Postal Service Act of 1792 U. S. Postal Service US Postal Service Act of 1792 US Postal Service Act of 1792 Postal Service Act Postal Service Act Postal Service Act US Postal Service Act of 1792