Upper Tantallon is a suburban community that extends from the Hammonds Plains Road to the crossroads of Trunk 3 and Route 333 within the Halifax Regional Municipality, 22.3 km west from Halifax, Nova Scotia, Canada. The community is likely named for Tantallon Castle in Scotland.CommunicationsThe first three digits of the Postal Code is B3ZThe Telephone exchange is 902 826,820 Internet: Cable – Eastlink, DSL – AliantStatisticsTotal Population 3378Total Dwellings 1528 Total Land Area – 97.5023 km2