De Kalb (/dɪ ˈkæb/ di KAB) is a city in Bowie County, Texas, United States; it is part of the Texarkana metropolitan statistical area. Its two area codes are 430 and 903. Its ZIP code is 75559. It is in the Central Time Zone, and its population was 1,527 at the 2020 United States census.
Zip Codes in De Kalb, TX that we also serve: 75559