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Updated Jan 02, 2010Area Code 403
  1. "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).
  2. Additional technical status can be retrived from the North American Numbering Plan Administration on the 403 area code specific link here.
Area Code403 (area code map)
LocationAlberta, CANADA
Dates and historical informationArea code 403 went live into service on January 01, 1947 (The paperwork process started on January 01, 1947).  This area code was split to create the 867 area code(s).  It has had the 780 area code(s) overlaid on it.
Growth StatusThis original "parent" area code went live on January 01, 1947 and due to growth it has been "overlaid" by the 780, 587 area codes to provide more telephone numbers in the area.  This means this original "parent" 403 area code has seen quite a bit of growth and as a result has been subdivided into 3 area codes over the years.
Technical Status 2Area code 403 is currently live and in service.
Time Zone(s) 1M
LATA numbers served888
Number of rate centers served120
List of rate centersCalgary, Wrentham, Taber, Bowden, Innisfail, Red Deer, Okotoks, Lethbridge, Airdrie, Drumheller, Stettler, Cereal, Didsbury, Carstairs, Coutts, Coaldale, Brooks, Delia, Rumsey, Tilley, Duchess, Bindloss, Cayley, Banff, Trochu, Vulcan, Olds, Rockyford, Arrowwood, Ralston, Bow Island, Acme, Stavely, Altario, Longview, Empress, Cessford, Carbon, Gadsby, Veteran, Consort, Coronation, Byemoor, Kananaskis, Milo, High River, Canmore, Claresholm, Glenwood, Cowley, Torrington, Cremona, Sundre, Bassano, Warner, Carmangay, Standard, Nanton, Milk River, Cardston, Vauxhall, Oyen, Craigmyle, Etzikom, Exshaw, Sibbald, Rosebud, Blackie, Granum, Ponoka, Cochrane, Nordegg, Caroline, Hays, Spruceview, New Dayton, Gleichen, Stand Off, Enchant, Eckville, Alix, Bentley, Delburne, Raymond, Stirling, Barons, Magrath, Morrin, Elnora, Youngstown, Lacombe, Clive, Hussar, Mirror, Lomond, Nobleford, Burdett, Irvine, Hilda, Schuler, Rimbey, Hanna, Foremost, Big Valley, Morley, Castor, Donalda, Halkirk, Blackfalds, Penhold, Elkwater, Champion, Jenner, Strathmore, Irricana, Langdon, Walsh, Crossfield, Beiseker, Brocket
Number of major cities served0
Number of exchanges served504
List of exchanges served403-200-xxxx, 403-201-xxxx, 403-202-xxxx, 403-203-xxxx, 403-204-xxxx, 403-205-xxxx, 403-206-xxxx, 403-207-xxxx, 403-208-xxxx, 403-209-xxxx, 403-210-xxxx, 403-212-xxxx, 403-213-xxxx, 403-214-xxxx, 403-215-xxxx, 403-216-xxxx, 403-217-xxxx, 403-218-xxxx, 403-219-xxxx, 403-220-xxxx, 403-221-xxxx, 403-222-xxxx, 403-223-xxxx, 403-224-xxxx, 403-225-xxxx, 403-226-xxxx, 403-227-xxxx, 403-228-xxxx, 403-229-xxxx, 403-230-xxxx, 403-231-xxxx, 403-232-xxxx, 403-233-xxxx, 403-234-xxxx, 403-235-xxxx, 403-236-xxxx, 403-237-xxxx, 403-238-xxxx, 403-239-xxxx, 403-240-xxxx, 403-241-xxxx, 403-242-xxxx, 403-243-xxxx, 403-244-xxxx, 403-245-xxxx, 403-246-xxxx, 403-247-xxxx, 403-248-xxxx, 403-249-xxxx, 403-250-xxxx, 403-251-xxxx, 403-252-xxxx, 403-253-xxxx, 403-254-xxxx, 403-255-xxxx, 403-256-xxxx, 403-257-xxxx, 403-258-xxxx, 403-259-xxxx, 403-260-xxxx, 403-261-xxxx, 403-262-xxxx, 403-263-xxxx, 403-264-xxxx, 403-265-xxxx, 403-266-xxxx, 403-267-xxxx, 403-268-xxxx, 403-269-xxxx, 403-270-xxxx, 403-271-xxxx, 403-272-xxxx, 403-273-xxxx, 403-274-xxxx, 403-275-xxxx, 403-276-xxxx, 403-277-xxxx, 403-278-xxxx, 403-279-xxxx, 403-280-xxxx, 403-281-xxxx, 403-282-xxxx, 403-283-xxxx, 403-284-xxxx, 403-285-xxxx, 403-286-xxxx, 403-287-xxxx, 403-288-xxxx, 403-289-xxxx, 403-290-xxxx, 403-291-xxxx, 403-292-xxxx, 403-293-xxxx, 403-294-xxxx, 403-295-xxxx, 403-296-xxxx, 403-297-xxxx, 403-298-xxxx, 403-299-xxxx, 403-301-xxxx, 403-302-xxxx, 403-303-xxxx, 403-304-xxxx, 403-305-xxxx, 403-306-xxxx, 403-307-xxxx, 403-308-xxxx, 403-309-xxxx, 403-312-xxxx, 403-313-xxxx, 403-314-xxxx, 403-315-xxxx, 403-316-xxxx, 403-317-xxxx, 403-318-xxxx, 403-319-xxxx, 403-320-xxxx, 403-321-xxxx, 403-323-xxxx, 403-326-xxxx, 403-327-xxxx, 403-328-xxxx, 403-329-xxxx, 403-330-xxxx, 403-331-xxxx, 403-333-xxxx, 403-335-xxxx, 403-337-xxxx, 403-338-xxxx, 403-340-xxxx, 403-341-xxxx, 403-342-xxxx, 403-343-xxxx, 403-344-xxxx, 403-345-xxxx, 403-346-xxxx, 403-347-xxxx, 403-348-xxxx, 403-350-xxxx, 403-352-xxxx, 403-354-xxxx, 403-357-xxxx, 403-358-xxxx, 403-360-xxxx, 403-362-xxxx, 403-363-xxxx, 403-364-xxxx, 403-368-xxxx, 403-369-xxxx, 403-370-xxxx, 403-371-xxxx, 403-373-xxxx, 403-374-xxxx, 403-375-xxxx, 403-377-xxxx, 403-378-xxxx, 403-379-xxxx, 403-380-xxxx, 403-381-xxxx, 403-382-xxxx, 403-383-xxxx, 403-386-xxxx, 403-387-xxxx, 403-388-xxxx, 403-389-xxxx, 403-390-xxxx, 403-391-xxxx, 403-392-xxxx, 403-393-xxxx, 403-394-xxxx, 403-395-xxxx, 403-396-xxxx, 403-397-xxxx, 403-398-xxxx, 403-399-xxxx, 403-400-xxxx, 403-401-xxxx, 403-404-xxxx, 403-408-xxxx, 403-410-xxxx, 403-431-xxxx, 403-440-xxxx, 403-442-xxxx, 403-444-xxxx, 403-461-xxxx, 403-462-xxxx, 403-463-xxxx, 403-464-xxxx, 403-465-xxxx, 403-466-xxxx, 403-467-xxxx, 403-470-xxxx, 403-471-xxxx, 403-472-xxxx, 403-473-xxxx, 403-477-xxxx, 403-478-xxxx, 403-479-xxxx, 403-481-xxxx, 403-483-xxxx, 403-485-xxxx, 403-501-xxxx, 403-503-xxxx, 403-505-xxxx, 403-506-xxxx, 403-507-xxxx, 403-508-xxxx, 403-509-xxxx, 403-510-xxxx, 403-512-xxxx, 403-514-xxxx, 403-515-xxxx, 403-516-xxxx, 403-517-xxxx, 403-519-xxxx, 403-520-xxxx, 403-521-xxxx, 403-530-xxxx, 403-531-xxxx, 403-532-xxxx, 403-533-xxxx, 403-534-xxxx, 403-537-xxxx, 403-538-xxxx, 403-539-xxxx, 403-540-xxxx, 403-541-xxxx, 403-542-xxxx, 403-543-xxxx, 403-544-xxxx, 403-545-xxxx, 403-546-xxxx, 403-547-xxxx, 403-549-xxxx, 403-552-xxxx, 403-554-xxxx, 403-556-xxxx, 403-558-xxxx, 403-559-xxxx, 403-560-xxxx, 403-561-xxxx, 403-565-xxxx, 403-566-xxxx, 403-567-xxxx, 403-568-xxxx, 403-569-xxxx, 403-570-xxxx, 403-571-xxxx, 403-572-xxxx, 403-574-xxxx, 403-575-xxxx, 403-577-xxxx, 403-578-xxxx, 403-579-xxxx, 403-585-xxxx, 403-588-xxxx, 403-589-xxxx, 403-590-xxxx, 403-591-xxxx, 403-599-xxxx, 403-601-xxxx, 403-602-xxxx, 403-603-xxxx, 403-604-xxxx, 403-605-xxxx, 403-606-xxxx, 403-607-xxxx, 403-608-xxxx, 403-609-xxxx, 403-612-xxxx, 403-613-xxxx, 403-614-xxxx, 403-615-xxxx, 403-616-xxxx, 403-617-xxxx, 403-618-xxxx, 403-619-xxxx, 403-620-xxxx, 403-625-xxxx, 403-626-xxxx, 403-628-xxxx, 403-629-xxxx, 403-630-xxxx, 403-631-xxxx, 403-633-xxxx, 403-634-xxxx, 403-635-xxxx, 403-637-xxxx, 403-638-xxxx, 403-640-xxxx, 403-641-xxxx, 403-642-xxxx, 403-643-xxxx, 403-644-xxxx, 403-645-xxxx, 403-646-xxxx, 403-647-xxxx, 403-650-xxxx, 403-651-xxxx, 403-652-xxxx, 403-653-xxxx, 403-654-xxxx, 403-660-xxxx, 403-661-xxxx, 403-662-xxxx, 403-663-xxxx, 403-664-xxxx, 403-665-xxxx, 403-666-xxxx, 403-667-xxxx, 403-669-xxxx, 403-670-xxxx, 403-671-xxxx, 403-673-xxxx, 403-676-xxxx, 403-677-xxxx, 403-678-xxxx, 403-679-xxxx, 403-680-xxxx, 403-681-xxxx, 403-682-xxxx, 403-684-xxxx, 403-685-xxxx, 403-686-xxxx, 403-687-xxxx, 403-688-xxxx, 403-689-xxxx, 403-690-xxxx, 403-691-xxxx, 403-692-xxxx, 403-693-xxxx, 403-699-xxxx, 403-700-xxxx, 403-701-xxxx, 403-703-xxxx, 403-704-xxxx, 403-705-xxxx, 403-708-xxxx, 403-709-xxxx, 403-710-xxxx, 403-714-xxxx, 403-715-xxxx, 403-716-xxxx, 403-717-xxxx, 403-720-xxxx, 403-721-xxxx, 403-722-xxxx, 403-723-xxxx, 403-725-xxxx, 403-726-xxxx, 403-728-xxxx, 403-730-xxxx, 403-731-xxxx, 403-733-xxxx, 403-734-xxxx, 403-735-xxxx, 403-737-xxxx, 403-739-xxxx, 403-740-xxxx, 403-741-xxxx, 403-742-xxxx, 403-746-xxxx, 403-747-xxxx, 403-748-xxxx, 403-749-xxxx, 403-750-xxxx, 403-752-xxxx, 403-755-xxxx, 403-756-xxxx, 403-757-xxxx, 403-758-xxxx, 403-760-xxxx, 403-762-xxxx, 403-763-xxxx, 403-769-xxxx, 403-770-xxxx, 403-771-xxxx, 403-772-xxxx, 403-773-xxxx, 403-777-xxxx, 403-779-xxxx, 403-781-xxxx, 403-782-xxxx, 403-783-xxxx, 403-784-xxxx, 403-785-xxxx, 403-786-xxxx, 403-787-xxxx, 403-788-xxxx, 403-792-xxxx, 403-793-xxxx, 403-796-xxxx, 403-797-xxxx, 403-801-xxxx, 403-802-xxxx, 403-803-xxxx, 403-804-xxxx, 403-806-xxxx, 403-807-xxxx, 403-808-xxxx, 403-809-xxxx, 403-813-xxxx, 403-815-xxxx, 403-816-xxxx, 403-818-xxxx, 403-819-xxxx, 403-820-xxxx, 403-821-xxxx, 403-823-xxxx, 403-824-xxxx, 403-826-xxxx, 403-827-xxxx, 403-828-xxxx, 403-829-xxxx, 403-830-xxxx, 403-831-xxxx, 403-833-xxxx, 403-834-xxxx, 403-835-xxxx, 403-836-xxxx, 403-837-xxxx, 403-838-xxxx, 403-839-xxxx, 403-843-xxxx, 403-848-xxxx, 403-849-xxxx, 403-850-xxxx, 403-851-xxxx, 403-852-xxxx, 403-854-xxxx, 403-857-xxxx, 403-860-xxxx, 403-861-xxxx, 403-862-xxxx, 403-863-xxxx, 403-867-xxxx, 403-869-xxxx, 403-870-xxxx, 403-872-xxxx, 403-873-xxxx, 403-874-xxxx, 403-875-xxxx, 403-876-xxxx, 403-877-xxxx, 403-880-xxxx, 403-881-xxxx, 403-882-xxxx, 403-883-xxxx, 403-884-xxxx, 403-885-xxxx, 403-886-xxxx, 403-888-xxxx, 403-889-xxxx, 403-890-xxxx, 403-891-xxxx, 403-892-xxxx, 403-893-xxxx, 403-894-xxxx, 403-896-xxxx, 403-897-xxxx, 403-898-xxxx, 403-899-xxxx, 403-901-xxxx, 403-909-xxxx, 403-912-xxxx, 403-918-xxxx, 403-919-xxxx, 403-920-xxxx, 403-921-xxxx, 403-922-xxxx, 403-923-xxxx, 403-926-xxxx, 403-931-xxxx, 403-932-xxxx, 403-934-xxxx, 403-935-xxxx, 403-936-xxxx, 403-937-xxxx, 403-938-xxxx, 403-943-xxxx, 403-944-xxxx, 403-946-xxxx, 403-947-xxxx, 403-948-xxxx, 403-965-xxxx, 403-966-xxxx, 403-968-xxxx, 403-969-xxxx, 403-970-xxxx, 403-971-xxxx, 403-973-xxxx, 403-974-xxxx, 403-975-xxxx, 403-978-xxxx, 403-988-xxxx, 403-990-xxxx, 403-991-xxxx, 403-992-xxxx, 403-993-xxxx, 403-994-xxxx, 403-995-xxxx, 403-996-xxxx, 403-998-xxxx, 403-999-xxxx
Number of telephone companies9 telephone companies servicing the 403 area code
List of telephone companiesTELUS Mobility, TELUS, Call-Net Communications, Fido Solutions Inc., Bell Mobility, Rogers AT&T Wireless, Bell West Inc., MTS Allstream, GT Group Telecom Services Corp.

403 Area Code Map

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