How can I tell where truck was built?

[hevnbnd]

1FTFW1ED2MFA85100 Just built last week. Ordered in JULY...

Sponsored

 

[mrtrav]

The 11th character denotes the plant. Looks like yours is F, which is Dearborn.

https://www.f150gen14.com/forum/threads/2021-f-150-vin-decoder-14th-gen.32/