The impossibility of reaching a local post office by phone is about at the top of the list. Don't want to offend any hardworking USPS employees here, but it is un-fucking believable, that even if you can find a phone number to a local post office, it directs you back to master USPS customer service, that is continuously experiencing higher than normal call volumes...... You know the drill. I finally got through to a person this morning and was told to call the local post office (where my daughter lives) to try to find the status of a couple of boxes mailed to her. I told the person I found it impossible to ever contact local PO. so she gave me a "guaranteed" number. After three rings, "This number has been disconnected." I hate this shit!