Through Fultonville, NY 30A gains the moniker of Main Street, crossing a junction with NY 5S (Maple Avenue), Entering downtown Fultonville, the route crosses through several blocks of businesses before reaching a junction with NY 920P (Riverside Drive), an unsigned reference route. NY 920P connects NY 30A to the New York State Thruway (I-90)'s exit 28. After Riverside Drive, NY 30A crosses the Mohawk River and enters the village of Fonda. Now named South Bridge Street, the route crosses past the Village of Fonda Recreation Park. After crossing over an Amtrak railroad line, NY 30A reaches a junction with NY 5 (East Main Street). At this junction, NY 30A turns west onto a concurrency with NY 5, crossing through the village.