BB postcode area

The BB postcode area, also known as the Blackburn postcode area, is a group of thirteen postcode districts in north-west England, within nine post towns. These cover east Lancashire, including Blackburn, Burnley, Accrington, Barnoldswick, Clitheroe, Colne, Darwen, Nelson and Rossendale.

Coverage
The approximate coverage of the postcode districts:

! style="background:#FFFFFF;"|BB0 ! BB1 ! BB2 ! BB3 ! BB4 ! BB5 ! BB6 ! BB7 ! BB8 ! BB9 ! BB10 ! BB11 ! BB12 ! BB18 ! style="background:#FFFFFF;"|BB94
 * style="background:#FFFFFF;"|BLACKBURN
 * style="background:#FFFFFF;"|Granby Marketing, Blackburn
 * style="background:#FFFFFF;"|non-geographic
 * BLACKBURN
 * Blackburn (east), Bank Hey, Belthorn (part), Blackamoor, Clayton-le-Dale, Guide, Knuzden, Mellor, Ramsgreave, Rishton, Salesbury, Shadsworth, Sunnybower, Tottleworth, Whitebirk, Wilpshire
 * Blackburn with Darwen, Hyndburn, Ribble Valley
 * BLACKBURN
 * Blackburn (west), Beardwood, Balderstone, Belthorn (part), Cherry Tree, Feniscowles, Griffin, Holly Tree, Livesey, Mellor, Mellor Brook, Mill Hill, Osbaldeston, Pleasington, Witton
 * Blackburn with Darwen, Chorley, Ribble Valley, South Ribble
 * DARWEN
 * Darwen, Bank Fold, Eccleshill, Hoddlesden, Livesey, Lower Darwen, Pickup Bank, Tockholes
 * Blackburn with Darwen
 * ROSSENDALE
 * Acre, Balladen, Bent Gate, Cloughfold, Cowpe, Crawshawbooth, Haslingden, Helmshore, Lumb (near Rawtenstall), Newchurch, Rawtenstall, Waterfoot, Weir
 * Rossendale
 * ACCRINGTON
 * Accrington, Altham, Baxenden, Church, Clayton-le-Moors, Huncoat, Oswaldtwistle, Rising Bridge
 * Hyndburn, Rossendale
 * BLACKBURN
 * Dinckley, Great Harwood, Langho
 * Hyndburn, Ribble Valley
 * CLITHEROE
 * Clitheroe, Barrow, Bashall Eaves, Billington, Bolton-by-Bowland, Chatburn, Downham, Dunsop Bridge, Gisburn, Great Mitton, Grindleton, Hurst Green, Little Mitton, Middop, Newsholme, Newton-in-Bowland, Paythorne, Pendleton, Rimington, Sabden, Sawley, Slaidburn, Twiston, Waddington, Whalley, Whitewell, Wiswell, Worston
 * Ribble Valley
 * COLNE
 * Colne, Foulridge, Laneshaw Bridge, Trawden, Winewall, Wycoller
 * Pendle
 * NELSON
 * Nelson, Barrowford, Blacko, Brierfield, Higherford, Roughlee
 * Pendle
 * BURNLEY
 * Burnley (east), Cliviger, Haggate, Harle Syke, Reedley, Worsthorne
 * Burnley, Pendle
 * BURNLEY
 * Burnley (south and town centre), Dunnockshaw and Clowbridge, Hapton
 * Burnley
 * BURNLEY
 * Burnley (west), Barley, Fence, Hapton, Higham, Padiham, Read, Simonstone, Wheatley Lane
 * Burnley, Pendle, Ribble Valley
 * BARNOLDSWICK
 * Barnoldswick, Bracewell and Brogden, Earby, Kelbrook, Salterforth, Sough
 * Pendle
 * style="background:#FFFFFF;"|BARNOLDSWICK
 * style="background:#FFFFFF;"|Holiday Cottages Group, Earby
 * style="background:#FFFFFF;"|non-geographic
 * }

The BB18 district was formed out of the BB8 district in 1997.