Postal sector BB1 3
- Dyneley Road, Blackburn, BB1 3AB
- Bottomgate, Blackburn, BB1 3AD
- Ordnance Street, Blackburn, BB1 3AE
- Frontier Avenue, Blackburn, BB1 3AL
- Copy Nook, Blackburn, BB1 3AN
- Gate Street, Blackburn, BB1 3AQ
- Eden Street, Blackburn, BB1 3AR
- Dock Street, Blackburn, BB1 3AT
- Higher Eanam, Blackburn, BB1 3AZ
- Forrest Street, Blackburn, BB1 3BB
- Harwood Street, Blackburn, BB1 3BD
- Appleby Street, Blackburn, BB1 3BL
- Harwood Street, Blackburn, BB1 3BS
- Stanley Street, Blackburn, BB1 3BW
- Hutton Street, Blackburn, BB1 3BY
- Blackburn, BB1 3DB
- Woolwich Street, Blackburn, BB1 3DF
- Gladstone Street, Blackburn, BB1 3DL
- Castle Street, Blackburn, BB1 3DW
- Copy Nook, Blackburn, BB1 3DZ
- Greenbank Road, Blackburn, BB1 3EA
- Bruce Street, Blackburn, BB1 3EE
- Gladstone Street, Blackburn, BB1 3ES
- Gorse Street, Blackburn, BB1 3EU
- Crabtree Street, Blackburn, BB1 3HD
- Hill Street, Blackburn, BB1 3HF
- Hill Street, Blackburn, BB1 3HG
- Thornley Avenue, Blackburn, BB1 3HJ
- Burnley Close, Blackburn, BB1 3HL
- Burnley Road, Blackburn, BB1 3HN
- Furthergate, Blackburn, BB1 3HQ
- Burnley Road, Blackburn, BB1 3HR
- Whitebirk Drive, Blackburn, BB1 3HT
- Blakewater Road, Blackburn, BB1 3HU
- Burnley Road, Blackburn, BB1 3HW
- Whitebirk Road, Blackburn, BB1 3HY
- Whitebirk Road, Blackburn, BB1 3JA
- Whitebirk Road, Blackburn, BB1 3JB
- Whitebirk Road, Blackburn, BB1 3JD
- Didsbury Street, Blackburn, BB1 3JL
- Hozier Street, Blackburn, BB1 3JP
- Carluke Street, Blackburn, BB1 3JR
- Poole Street, Blackburn, BB1 3JS
- Bentley Street, Blackburn, BB1 3JT
- Hereford Road, Blackburn, BB1 3JU
- Hozier Street, Blackburn, BB1 3JW
- Leicester Road, Blackburn, BB1 3JX
- Brecon Road, Blackburn, BB1 3JY
- Hereford Road, Blackburn, BB1 3JZ
- Devon Road, Blackburn, BB1 3LA
- Monmouth Road, Blackburn, BB1 3LB
- Surrey Road, Blackburn, BB1 3LD
- Gloucester Road, Blackburn, BB1 3LE
- Worcester Road, Blackburn, BB1 3LF
- Worcester Road, Blackburn, BB1 3LG
- Devon Road, Blackburn, BB1 3LH
- Monmouth Road, Blackburn, BB1 3LJ
- Ferrier Court, Blackburn, BB1 3LL
- Ferrier Close, Blackburn, BB1 3LN
- Abbott Clough Avenue, Blackburn, BB1 3LP
- Devon Road, Blackburn, BB1 3LQ
- Abbott Clough Close, Blackburn, BB1 3LR
- Blackburn Road, Blackburn, BB1 3LS
- Richmond Crescent, Blackburn, BB1 3LU
- Priory Close, Blackburn, BB1 3LW
- Windsor Road, Blackburn, BB1 3LX
- Brantwood Avenue, Blackburn, BB1 3LY
- Brantwood Avenue, Blackburn, BB1 3LZ
- Avondale Avenue, Blackburn, BB1 3NA
- Hazel Grove, Blackburn, BB1 3NB
- Waverley Road, Blackburn, BB1 3ND
- Balmoral Crescent, Blackburn, BB1 3NG
- Lyndhurst Avenue, Blackburn, BB1 3NH
- Blackburn Road, Blackburn, BB1 3NJ
- Accrington Road, Blackburn, BB1 3NN
- Maricourt Avenue, Blackburn, BB1 3NP
- Lyndhurst Avenue, Blackburn, BB1 3NQ
- Hamer Avenue, Blackburn, BB1 3NR
- Peronne Crescent, Blackburn, BB1 3NS
- Whitebirk Drive, Blackburn, BB1 3NT
- Trident Way, Blackburn, BB1 3NU
- Peronne Crescent, Blackburn, BB1 3NW
- Accrington Road, Blackburn, BB1 3NY