Karnack, TX

ZIP code 75661 is located in the city of Karnack, Texas. This area is known for its proximity to Caddo Lake, the largest natural lake in Texas and a popular spot for fishing, boating, and birdwatching. Other notable landmarks in the area include the Caddo Lake State Park, offering hiking trails and cabin rentals, as well as the Historic Jefferson Railway, providing scenic train rides through the piney woods of Northeast Texas.