401 DINER LLC is a restaurant operating in Port Huron, Michigan, serving classic American diner fare in a casual setting. They offer breakfast, lunch, and dinner options with a focus on comfort food and friendly service.
Operator computes a Health score every night at 2 am HST. It is the one number that tells you if this shop is winning, losing, or steady. Here is how 401 DINER LLC broke down on Apr 26, 2026.
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