South Newbury is an unincorporated community in the town of Newbury in Merrimack County, New Hampshire, United States. It is located along New Hampshire Route 103, 3 miles (5 km) southeast of the main village of Newbury. Route 103 continues east to the towns of Bradford and Warner.

South Newbury, New Hampshire
Unincorporated community
South Newbury Town Hall
South Newbury Show map of New Hampshire South Newbury Show map of the United States
Coordinates: 43°17′44″N 71°59′48″W / 43.29556°N 71.99667°W / 43.29556; -71.99667
Country	United States
State	New Hampshire
County	Merrimack
Town	Newbury
Elevation	732 ft (223 m)
Time zone	UTC-5 (Eastern (EST))
• Summer (DST)	UTC-4 (EDT)
ZIP code	03272
Area code	603
GNIS feature ID	871334[1]

South Newbury has a separate ZIP code (03272) from the rest of the town of Newbury.