Postal sector PR1 1
- Christian Road, Preston, PR1 1AD
- Ring Way, Preston, PR1 1AF
- Kinsella Close, Preston, PR1 1AJ
- Garstang Road, Preston, PR1 1AL
- Bishopgate, Preston, PR1 1AS
- Bishopgate, Preston, PR1 1AT
- Moor Lane, Preston, PR1 1BA
- Lancaster Road, Preston, PR1 1DA
- Lancaster Road, Preston, PR1 1DD
- Lords Walk, Preston, PR1 1DH
- Tithebarn Street, Preston, PR1 1DJ
- Tithebarn Street, Preston, PR1 1DL
- Egbert Street, Preston, PR1 1DQ
- Derby Street, Preston, PR1 1DT
- Pole Street, Preston, PR1 1DX
- Percy Street, Preston, PR1 1DY
- Miller Street, Preston, PR1 1EA
- Edmund Street, Preston, PR1 1ED
- Carlisle Street, Preston, PR1 1EH
- Percy Street, Preston, PR1 1EL
- Molyneux Court, Preston, PR1 1EN
- Lychgate, Preston, PR1 1ET
- Lancaster Way, Preston, PR1 1FB
- Percy Street, Preston, PR1 1HQ
- Guild Hall Arcade, Preston, PR1 1HR
- Radnor Street, Preston, PR1 1JN
- Moor Lane, Preston, PR1 1JP
- Moor Lane, Preston, PR1 1JQ
- Moor Lane, Preston, PR1 1JR
- Edale Court, Preston, PR1 1JS
- Sheldon Court, Preston, PR1 1JT
- St. Thomas Street, Preston, PR1 1JU
- Moor Lane, Preston, PR1 1JW
- St. Thomas Street, Preston, PR1 1JX
- Thorpe Close, Preston, PR1 1JY
- Craggs Row, Preston, PR1 1JZ
- Garstang Road, Preston, PR1 1LA
- Garstang Road, Preston, PR1 1LB
- Garstang Road, Preston, PR1 1LD
- Moor Lane, Preston, PR1 1LJ
- Moor Lane, Preston, PR1 1LR
- Moor Lane, Preston, PR1 1LT
- Garstang Road, Preston, PR1 1NA
- Dawson Walk, Preston, PR1 1NH
- Dawson Walk, Preston, PR1 1NJ
- Garstang Road, Preston, PR1 1NN
- Southgate, Preston, PR1 1NP
- Broomfield Mill Street, Preston, PR1 1NQ
- Brookfield Street, Preston, PR1 1NR
- Salter Street, Preston, PR1 1NT
- Frank Street, Preston, PR1 1PB
- Kent Street, Preston, PR1 1PE
- Kent Street, Preston, PR1 1PH
- Kent Street, Preston, PR1 1PJ
- Canute Street, Preston, PR1 1PL
- Rye Street, Preston, PR1 1PN
- Leicester Road, Preston, PR1 1PP
- St. Georges Road, Preston, PR1 1PQ
- St. Georges Road, Preston, PR1 1PR
- St. Georges Road, Preston, PR1 1PS
- Varley Street, Preston, PR1 1PT
- St. Pauls Road, Preston, PR1 1PU
- St. Pauls Road, Preston, PR1 1PX
- Great Hanover Street, Preston, PR1 1PY
- Edward Square, Preston, PR1 1QB
- Essex Street, Preston, PR1 1QE
- Albert Terrace, Preston, PR1 1QF
- Alice Square, Preston, PR1 1QG
- St. Pauls Avenue, Preston, PR1 1QH
- St. Barnabas Place, Preston, PR1 1QJ
- Stanleyfield Road, Preston, PR1 1QL
- Elizabeth Square, Preston, PR1 1QQ
- Noor Street, Preston, PR1 1QS
- Cromwell Street, Preston, PR1 1QU
- Stanleyfield Close, Preston, PR1 1QW
- Lords Walk, Preston, PR1 1RA
- Emmett Street, Preston, PR1 1RD
- North Road, Preston, PR1 1RU
- North Road, Preston, PR1 1RX
- Kent Street, Preston, PR1 1RY
- North Road, Preston, PR1 1SY
- Great George Street, Preston, PR1 1TJ
- Turner Street, Preston, PR1 1TN
- Sedgwick Street, Preston, PR1 1TP
- Meadow Street, Preston, PR1 1TR
- Meadow Street, Preston, PR1 1TS
- St. Ignatius Square, Preston, PR1 1TT
- St. Ignatius Place, Preston, PR1 1TU
- St. Ignatius Square, Preston, PR1 1TW
- Egan Street, Preston, PR1 1TX
- Cunliffe Street, Preston, PR1 1TY
- Shaw Street, Preston, PR1 1UB
- St. Pauls Road, Preston, PR1 1UE
- St. Pauls Road, Preston, PR1 1UH
- St. Pauls Road, Preston, PR1 1UJ
- East Street, Preston, PR1 1UL
- Holstein Street, Preston, PR1 1UN
- Driscoll Street, Preston, PR1 1UP
- Jutland Street, Preston, PR1 1UR
- Garstang Road, Preston, PR1 1US
- Garstang Road, Preston, PR1 1UT
- East Street, Preston, PR1 1UU
- Schleswig Street, Preston, PR1 1UW
- South Meadow Street, Preston, PR1 1UX
- Hopwood Street, Preston, PR1 1UY
- St. Pauls Square, Preston, PR1 1XA
- Pump Street, Preston, PR1 1XB
- Agnes Street, Preston, PR1 1XD
- Egan Street, Preston, PR1 1XE
- Cunliffe Street, Preston, PR1 1XG
- St. Pauls Road, Preston, PR1 1XH
- Newton Street, Preston, PR1 1XP
- Aughton Walk, Preston, PR1 1YB
- Beckett Court, Preston, PR1 1YD
- Lund Street, Preston, PR1 1YH
- Margaret Street, Preston, PR1 1YN
- North Road, Preston, PR1 1YP
- North Road, Preston, PR1 1YQ
- North Road, Preston, PR1 1YR
- Tithebarn Street, Preston, PR1 1YT