Acts 7:6

And God spoke on this wise, That his offspring should sojourn in a foreign land; and that they should bring them into bondage, and treat them ill four hundred years.

Genesis 15:13

And he said to Abram, Know certainly that thy seed shall be a stranger in a land that is not theirs, and shall serve them; and they shall afflict them four hundred years;

Genesis 15:16

But in the fourth generation they shall come hither again: for the iniquity of the Amorites is not yet full.

Exodus 12:40-41

Now the sojourning of the children of Israel who dwelt in Egypt, was four hundred and thirty years.

Galatians 3:17

And this I say, that the covenant that was confirmed before by God in Christ, the law, which was four hundred and thirty years after, cannot disannul, that it should make the promise of no effect.

Treasury of Scripture Knowledge

Summary

And God spake on this wise, That his seed should sojourn in a strange land; and that they should bring them into bondage, and entreat them evil four hundred years.

Bible References

That

Genesis 15:13
And he said to Abram, Know certainly that thy seed shall be a stranger in a land that is not theirs, and shall serve them; and they shall afflict them four hundred years;

Four

Exodus 12:40
Now the sojourning of the children of Israel who dwelt in Egypt, was four hundred and thirty years.
Galatians 3:17
And this I say, that the covenant that was confirmed before by God in Christ, the law, which was four hundred and thirty years after, cannot disannul, that it should make the promise of no effect.