Updated Jan 02, 2010Area Code 289
"E" is Eastern Time Zone, "C" is Central Time Zone, "M" is Mountain Time Zone, and "P" is Pacific Time Zone. Occasionally, an area code will fall in more than one time zone. In this case, the abbreviation is a combination of the previous abbreviations. Some area codes are shown with time zones referencing Universal Coordinated Time (UTC). Additional technical status can be retrived from the North American Numbering Plan Administration on the 289 area code specific link here.
Area Code 289 ( area code map)
Location Ontario, CANADA
Dates and historical information Area code 289 went live into service on June 09, 2001 (The paperwork process started on August 17, 2000).  It was formed as a subdivision of the 905 area code.
Growth Status This area code went live on June 09, 2001 as a result of a subdivision of the 905 area code.
Technical Status 2 Area code 289 is currently live and in service.
Time Zone(s) 1 E
LATA numbers served 888
Number of rate centers served 13
List of rate centers Burlington, Dunnville, Cobourg, Oakville, Aurora, Newmarket, Hamilton, Fort Erie, Brampton, Oshawa, Cooksville, Welland, Milton
Number of major cities served 0
Number of exchanges served 41
List of exchanges served 289-208-xxxx, 289-209-xxxx, 289-215-xxxx, 289-218-xxxx, 289-221-xxxx, 289-231-xxxx, 289-237-xxxx, 289-242-xxxx, 289-244-xxxx, 289-251-xxxx, 289-253-xxxx, 289-259-xxxx, 289-260-xxxx, 289-264-xxxx, 289-308-xxxx, 289-321-xxxx, 289-325-xxxx, 289-330-xxxx, 289-331-xxxx, 289-338-xxxx, 289-339-xxxx, 289-355-xxxx, 289-360-xxxx, 289-380-xxxx, 289-385-xxxx, 289-404-xxxx, 289-439-xxxx, 289-440-xxxx, 289-441-xxxx, 289-456-xxxx, 289-688-xxxx, 289-808-xxxx, 289-821-xxxx, 289-838-xxxx, 289-880-xxxx, 289-921-xxxx, 289-922-xxxx, 289-928-xxxx, 289-936-xxxx, 289-937-xxxx, 289-971-xxxx
Number of telephone companies 4 telephone companies servicing the 289 area code
List of telephone companies Rogers AT&T Wireless, Bell Mobility, TELUS Integrated Communications, TELUS Mobility
289 Area Code Map