The United States Postal Service's stamp price increase will go into effect on Sunday, July 13. Here's how much they'll cost.

The cost of postal stamps increased by 5 cents on July 13, marking the sixth time the U.S. Postal Service has increased stamp prices since January 2021.

The postal service said the "price adjustments are needed to achieve the financial stability sought by the organization's Delivering for America 10-year plan."