Dyersville doesn't have a Wal-Mart actually. Your nearest options are probably going to be Manchester or Dubuque.
I would call that Walmart and ask.
Call and find out
No Walmat at Dyersville. Manchester yes. RV parking prolly gotta ask. All WalMart's r diff.
From someone who works there I would call n talk to the store manager.
There isn't a Wal-Mart in Dyersville.
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