Districts in Blackburn postcode area

Blackburn is name for BB postcode area. List of 14 districts from this postcode area:

BB1, Blackburn
BB10, Burnley
BB11, Burnley
BB12, Burnley
BB18, Barnoldswick
BB2, Blackburn
BB3, Darwen
BB4, Rossendale
BB5, Accrington
BB6, Blackburn
BB7, Clitheroe
BB8, Colne
BB9, Nelson
BB94, Barnoldswick