Postcode district
|
Post town
|
Coverage
|
Local authority area(s)
|
SN1
|
SWINDON
|
Swindon town centre south of the railway line, Old Town, southwest suburbs
|
Swindon
|
SN2
|
SWINDON
|
Swindon town centre north of the railway line, inner suburbs to the north and northwest including Upper Stratton and Kingsdown
|
Swindon
|
SN3
|
SWINDON
|
Swindon east suburbs, Stratton St Margaret, South Marston
|
Swindon
|
SN4
|
SWINDON
|
Royal Wootton Bassett, Clyffe Pypard, Broad Town, Broad Hinton, Wroughton, Chiseldon, Liddington, Wanborough, Hinton Parva
|
Swindon, Wiltshire
|
SN5
|
SWINDON
|
West Swindon, Lydiard Millicent, Purton
|
Swindon, Wiltshire
|
SN6
|
SWINDON
|
Highworth, Cricklade, Shrivenham, Watchfield, Ashton Keynes, Ashbury, Bishopstone, Castle Eaton, Hannington, Idstone, Marston Meysey, Leigh
|
Swindon, Wiltshire, Vale of White Horse
|
SN7
|
FARINGDON
|
Faringdon, Stanford in the Vale, Uffington, Longcot, Fernham, Buckland, Great Coxwell, Little Coxwell, Littleworth, Shellingford, Buscot
|
Vale of White Horse
|
SN8
|
MARLBOROUGH
|
Marlborough, Ramsbury, Mildenhall, Aldbourne, Axford, Burbage, Baydon, Great Bedwyn
|
Wiltshire
|
SN9
|
PEWSEY
|
Pewsey, Upavon, Enford
|
Wiltshire
|
SN10
|
DEVIZES
|
Devizes, Market Lavington, Rowde
|
Wiltshire
|
SN11
|
CALNE
|
Calne, Heddington, Hilmarton
|
Wiltshire
|
SN12
|
MELKSHAM
|
Melksham, Bowerhill, Seend, Broughton Gifford
|
Wiltshire
|
SN13
|
CORSHAM
|
Corsham, Box, Neston
|
Wiltshire
|
SN14
|
CHIPPENHAM
|
Chippenham (west), Marshfield, Kington St Michael, Hullavington, Luckington, Grittleton, Yatton Keynell, Biddestone, Colerne, Cold Ashton
|
Wiltshire, South Gloucestershire
|
SN15
|
CHIPPENHAM
|
Chippenham (east), Bromham, Sandy Lane, Lacock, Burleaze, Pewsham, Monkton Park, Foxham, Dauntsey, Seagry, Christian Malford, Bradenstoke, Sutton Benger, Lyneham, Draycot Cerne, Cleverton, Little Somerford, Langley Burrell, Great Somerford, Brinkworth[3]
|
Wiltshire
|
SN15
|
CORSHAM
|
|
non-geographic[4]
|
SN16
|
MALMESBURY
|
Sherston, Malmesbury, Crudwell, Minety
|
Wiltshire
|
SN25
|
SWINDON
|
Swindon outer north suburbs including Haydon Wick and Priory Vale; Blunsdon St Andrew
|
Swindon
|
SN26
|
SWINDON
|
Blunsdon
|
Swindon
|
SN38
|
SWINDON
|
Nationwide Building Society
|
non-geographic[5]
|
SN99
|
SWINDON
|
|
non-geographic[5]
|