Forrest County Tax Collector (Vehicle Registration & Title) 601 N. Main StreetHattiesburg Mississippi 39402 MS USA 601 N. Main StreetDirections (601) 582-8228 Monday 08:00 am - 05:00 pm Tuesday 08:00 am - 05:00 pm Wednesday 08:00 am - 05:00 pm Thursday 08:00 am - 05:00 pm Friday 08:00 am - 05:00 pm Saturday Closed Sunday Closed