Telephone Interpreter Services enable SSA employees who are not bilingual to communicate with customers in their preferred language through a third-party interpreter. These services support SSA field ... Telephone Interpreter Services enable SSA employees who are not bilingual to communicate with customers in their preferred language through a third-party interpreter. These services support SSA field offices, teleservice centers, hearing offices, headquarters components, U.S. territories, Federal Benefit Units, and other designated locations, as applicable.