Literally thousands of places. Some places, such as Trappe, MD they’ve even been without one for a long time.
Hell, some places can’t even get mail delivered, let alone show up st the nearest post office without significant expense for child care and/or risk of getting fired for going during working hours.
The crumbling and mismanaged (due to laws and a postmaster general appointment by the GOP) USPS isn’t who you want in charge of upholding democracy.
First of all, it’s never too soon.
Second, ACAB includes the joke police too.