The routing transit number 111906271 is officially assigned to First National Bank Texas, operating primarily within the state of Texas and surrounding regional military installations. First National Bank Texas delivers comprehensive personal checking accounts, consumer loans, retail savings portfolios, and specialized military banking services. The nine-digit routing number is widely utilized to process automated clearing house (ACH) transactions, direct payroll deposits, electronic check collections, and wire transfers. Ensuring the precise application of this routing code guarantees that transactions process smoothly and securely through the Federal Reserve clearing infrastructure.