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