BB postcode area
Postcode district boundaries:
The BB postcode area, also known as the Blackburn postcode area, is a group of 13 postcode districts, which are subdivisions of nine post towns. These cover east Lancashire, including Accrington, Barnoldswick, Blackburn, Burnley, Clitheroe, Colne, Darwen, Nelson and Rossendale.
|Blackburn postcode area|
|Postcode area name||Blackburn|
|Statistics as at February 2012|
The approximate coverage of the postcode districts:
The BB18 district was formed out of the BB8 district in 1997.
- "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 non-geographic postcodes" (PDF). Royal Mail. 7 March 2007. Retrieved 10 March 2008.[permanent dead link]
- "Which districts have been recoded by the Royal Mail?". Experian Data Quality Support. Retrieved 22 April 2017.