Area code 742
Hamilton, Ontario
- State or province
- Ontario
- Area served
- Niagara Falls Region, Hamilton, St. Catharines, suburbs of the Greater Toronto Area, and southeastern Ontario
- Major cities
- Hamilton, Mississauga, Brampton, Oshawa and Niagara Falls
- Time zone
- Eastern Time
- Numbers with public reports
- 5
- Likely spam (estimated)
- 0