Area Codes Search Notes Fixed phone numbers in Canada, Nova Scotia (area code 902) are comprised of a single country code (1), a 3 digit area code, a 3 digit local office code (or region code), and a 4 digit line code Making a call with the wrong country, area, or region code can be costly Browse our sites area and region codes by state and city to ensure you have the correct · 905 Area Code Area code 905 is assigned for use in Ontario, Canada since Oct 04, 1993 This area code originated from the 416 area code previously by means of area code split or overlay View all phone prefixes used in area code 905 or other area codes in OntarioIncluded with the location of each prefix are the phone companies / service providers that operates themThe 905 code includes areas in Southern Ontario including Hamilton and the Greater Toronto Area (GTA) The Hamilton area code is one of the many codes that are being used in Ontario Its neighbouring area codes are 519 in the west, 705 in the north, 613 in...