Johnstown, Ontario

Johnstown
Compact rural community
Johnstown with the Ogdensburg-Prescott International Bridge in the background
Johnstown
Location in Southern Ontario
Coordinates: 44°44′53″N 75°28′11″W / 44.74806°N 75.46972°W / 44.74806; -75.46972
CountryCanada
ProvinceOntario
CountyUnited Counties of Leeds and Grenville
MunicipalityEdwardsburgh/Cardinal
First settled1673 (1673)
Elevation
84 m (276 ft)
Time zoneUTC-5 (Eastern Time Zone)
  Summer (DST)UTC-4 (Eastern Time Zone)
Postal code
K0E 1T1
Area codes613, 343

Johnstown is a compact rural community in the United Counties of Leeds and Grenville, in eastern Ontario, Canada, part of the township municipality of Edwardsburgh/Cardinal. It is at the Canadian terminus of the Ogdensburg–Prescott International Bridge and at the southern termini of Highway 416 and Highway 16.