Houston, TX

ZIP code 77221 covers an area in Houston, Texas. This area is home to one of the most iconic landmarks in the city, the Astrodome. This historic sports stadium was once known as the "Eighth Wonder of the World" and hosted numerous events, including professional sporting events, concerts, and rodeos. Today, the Astrodome stands as a reminder of Houston's rich history and is a popular site for visitors and locals alike.