The Postal Code Conversion File (PCCF) provides a link between the six-character postal codes and census geographic areas such as dissemination areas, census tracts and others. The PCCF does not validate postal codes. It also provides latitude and longitude coordinates to support mapping applications. It is available for the 1981, 1986, 1991, 1996, 2001, 2006 and 2011 census geographies.
There are situations where a postal code can span over multiple census geographies areas. The PCCF file contains a Single Link Indicator (SLI) field to indicate the best representative census geography for the given postal code. When the SLI has a value of ‘1’ it is flagged the best link for a given postal code. The value of ‘0’ indicates an additional record.
The PCCF+, is another method to find the optimal census geography for a given postal code. It is a SAS control program and set of associated datasets that uses a population weighted random allocation.
Based on instructions provided by Susan Mowers, UOttawa
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