People tend to check in during these times:
Uh, they don't accept passports anymore.
In case Google Maps messes you up, it's behind the Federal Building.
Be ready to wait a long time
Bring a good book
Also be sire thay Violla or Roderick help you, great customer service skills.
Warning If you are picking up.your mail make sure its b4 10am or you will be waiting in a long line they only have 2 booths open at all times even if the line os out the door.
The drive thru mailboxes are great!!
Leave extra time. Remedial staff.
The Post Office is closed on Saturdays :(