How does the job market look For Production Supervisors in the Ft. Smith, AR area? 72901 is the Area code for this city. I am currently in the town of Sallisaw, OK 74955 which is 20 min. from Ft. Smith. I am willing to drive 1 hr. in any direction from my home in Sallisaw. Ft. Smith just so happens to be the biggest town/city closest to me.