In a mixing bowl, combine softened cream cheese, sour cream, and mayonnaise until smooth.
Stir in the corn, mixing well to incorporate.
Add lime juice, chili powder, and salt to taste.
Fold in the shredded cheese gently.
Transfer the mixture to a serving dish.
Smooth the top with a spatula for an even surface.
Sprinkle additional chili powder on top for garnish.
Add fresh cilantro for a pop of color and flavor.
Chill in the refrigerator for at least 30 minutes to meld flavors.
Serve with tortilla chips or veggies for dipping.