It sounds like Amazon strong arms these companies into ONLY serving them. FTA: "The incident is notable as it appears to be the first public example in the United States of Amazon delivery service partners, small businesses that deliver packages exclusively for Amazon" This is the program for Amazon Delivery Service Partners https://logistics.amazon.com/ Seems to me it's basically Amazon Flex but for people with... - Source: Hacker News / almost 3 years ago

I've gotten several mailers from USPS lately looking for postal workers, so looking at https://about.usps.com/careers/career-opportunities/ might be worth it. It's government, so there's some good and bad that go along with that. Source: 6 months ago

First off I am thankful that as of yet they have all arrived- I currently have one I am a bit worried about now. These are packages ordered from multiple platforms and retailers. The odd thing is say I am on Esty and it says delivered in the app/website then I take the tracking number to usps.com to track it usps will show a message about the tracking number or tracking info being unavailable/invalid. This has... Source: 10 months ago

That was my first thought. If you go to usps.com to find out what their rules are, they have a ton of information about dogs as far as mail carriers are concerned, but nothing about their policies in their offices. I had to dig around to find that out. Source: 11 months ago

Keep you current position for now, check usps.com for other nearby CCA openings, and apply. Source: 11 months ago

Go to usps.com and click on "send mail" and "find a zipcode". Then plug your address. It will correct it for you if you are entering it incorrectly. Maybe you've been using the wrong zip code or something. Source: 11 months ago