WA postcode area
|Warrington postcode area|
|Postcode area name||Warrington|
|Statistics as at February 2012|
The WA postcode area, also known as the Warrington postcode area, is a group of postcode districts in North West England that are sub-divisions of nine post towns. It covers parts of Cheshire, Merseyside and Greater Manchester, where some parts of the WA Post Code were historically based in Lancashire and Cheshire before county re-organization in April 1974.
The approximate coverage of the postcode districts:
The Frodsham post town was introduced in June 1999; the post town for WA6 had previously been Warrington.
- "ONS Postcode Directory Version Notes" (ZIP). National Statistics Postcode Products. Office for National Statistics. February 2012. Table 2. Retrieved 21 April 2012. Coordinates from mean of unit postcode points, "Code-Point Open". OS OpenData. Ordnance Survey. February 2012. Retrieved 21 April 2012.
- Royal Mail, Address Management Guide, (2004)
- Royal Mail (ftp site) - Royal Mail major recode historical information - 1990 to 1999