. To start a free reverse phone lookup, simply enter the full 10-digit number (including the 403 area code) below and access available caller information such as name, address, and more.
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Area code 403 covers the southern portion of Alberta, Canada.
(Note: The document does not explicitly list counties. The following information is based on the cities and towns listed within the 403 service area and may not be exhaustive):
Area code 403 is part of an overlay system with area codes 587, 825, and 368, all serving the same geographic region of Alberta. Area code 403 was introduced in 1947, 587 was implemented as a province-wide overlay in September 2008, 825 was added on April 9, 2016, and 368 was introduced on January 21, 2022. Ten-digit dialing is mandatory in this region.
Area code 403 is a General Purpose Code which was placed in service on January 1, 1947.
Our reverse phone lookup will analyze the three-digit prefix of any 403 area code phone number and will show which telecommunications company and rate center it was initially assigned to. This prefix code data may help to determine the U.S. carrier, Alberta geographic region, and local calling area associated with the phone number.
| Company | Number of Prefixes |
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| Rate Center | Number of Prefixes |
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Lookup phone numbers starting with other Alberta area codes:
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