Yes of course you can, it is very simple go to USPS website and on the top of the screen there is a drop-down window where it says "Track & Manage" and that is where you will find the tab for change of address
Yes you can. I find this easily, by visiting https://usps.com. I invite you to do the same thing, look on the Web: https://moversguide.usps.com/mgo-m/disclaimer
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