Texas

Texas is a state in the South Central region of the United States. At 268,596 square miles, and with more than 30 million residents in 2022, it is the second-largest U.S. state by both area and population.

Mr. Mailman can be seen visiting Texas in his show's intro, but it is currently unknown if it was featured in an episode.
Chica visits Texas (referred to in description as "New Texas") in a coloring page.