The USB port is part of the Mainboard, so it can’t easily be replaced (It’s the most expensive part of the FP1 and it’s sold out).
But you can go to any repair shop that does microsoldering and have a new USB port soldered onto your Mainboard.
You can find info about the USB port you’ll need in the following topic. Please continue there if you have further questions:
Also here is a list of repair shops that have experience with Fairphones: