Denny’s complaints phone number, email address & complaint form.

Denny's complaints

How to make a complaint to Denny’s Denny’s complaints, To make a complaint in Denny’s you can first make a complaint from the number (800) 733-6697 given here. If you do not find a solution to your problem by phone, we suggest that you complain by email. About Denny’s Denny’s  is an American table service diner-style restaurant chain. It operates … Read more