| Area Code: | SY |
The SY postcode area, also known as the Shrewsbury postcode area,[1] is a group of 25 postcode districts in the West Midlands and Mid Wales, with small areas in North West England and North Wales. Together the districts cover most of Shropshire, north Powys, north Ceredigion, and part of south Cheshire. In addition, the SY7 and SY8 districts cover a small part of north Herefordshire, and the SY14 and SY20 districts also contain very small parts of Gwynedd and Wrexham County Borough respectively. The postcode area contains 32 post towns.
The approximate coverage of the postcode districts:
|-! SY1| SHREWSBURY| Shrewsbury (north and town centre)| Shropshire|-! SY2| SHREWSBURY| Shrewsbury (east)| Shropshire|-! SY3| SHREWSBURY| Shrewsbury (south and west), Bayston Hill| Shropshire|-! SY4| SHREWSBURY| Baschurch, Bomere Heath, Nesscliffe, Shawbury, Wem| Shropshire|-! SY5| SHREWSBURY| Atcham, Cressage, Criggion, Condover, Minsterley, Pontesbury, Ratlinghope, Westbury, Wroxeter| Shropshire, Powys|-! SY6| CHURCH STRETTON| Church Stretton, Cardington| Shropshire|-!rowspan=3|SY7| BUCKNELL| Bucknell, Lingen, Munslow, Tugford| rowspan=2|Shropshire, Herefordshire|-| CRAVEN ARMS| Craven Arms, Clun Valley, Diddlebury, Leintwardine, Munslow, Tugford|-| LYDBURY NORTH| Lydbury North| Shropshire|-! SY8| LUDLOW| Ludlow, Brimfield, Clee Hill, Culmington, Leinthall Starkes, Richard's Castle, Stoke St. Milborough| Shropshire, Herefordshire|-! SY9| BISHOPS CASTLE| Bishop's Castle, Wentnor| Shropshire|-! SY10| OSWESTRY| Oswestry (outskirts), Gobowen, Llansilin, Llangedwyn, Llanrhaeadr-ym-Mochnant, Pen-y-bont-fawr, Llanwddyn| Shropshire, Powys|-! SY11| OSWESTRY| Oswestry (most of), St Martin's, West Felton| Shropshire|-! SY12| ELLESMERE| Ellesmere, Dudleston Heath (Criftins), Welshampton, Lyneal, Colemere, Cockshutt, English Frankton, Tetchill, Hordley, Bagley| Shropshire|-! SY13| WHITCHURCH| Whitchurch, Whixall| Shropshire|-! SY14| MALPAS| Malpas, Tilston, No Man's Heath, Bickley, Hampton, Shocklach, Bulkeley, Bickerton, Cuddington Heath, Cholmondeley, Threapwood, Barton, Duckington| Cheshire West and Chester, Cheshire East, Wrexham|-! SY15| MONTGOMERY| Montgomery, Abermule, Chirbury, Church Stoke| Powys, Shropshire|-! SY16| NEWTOWN| Newtown, Tregynon, Bettws Cedewain| Powys|-!rowspan=2|SY17| CAERSWS| Caersws, Trefeglwys, Carno, Llanwnnog, Pontdolgoch, Clatter|rowspan=2|Powys|-| LLANDINAM| Llandinam|-! SY18| LLANIDLOES| Llanidloes, Llangurig, Van, Tylwch| Powys|-! SY19| LLANBRYNMAIR| Llanbrynmair, Llan, Bont Dolgadfan, Dolfach, Talerddig, Staylittle, Pennant, Dylife| Powys|-! SY20| MACHYNLLETH| Machynlleth, Corris| Powys, Gwynedd|-! SY21| WELSHPOOL| Welshpool, Marton, Stockton| Powys, Shropshire|-!rowspan=5|SY22| LLANFECHAIN| Llanfechain|rowspan=5|Powys|-| LLANFYLLIN| Llanfyllin|-| LLANSANTFFRAID| Llansantffraid-ym-Mechain|-| LLANYMYNECH| Llanymynech|-| MEIFOD| Meifod|-!rowspan=3|SY23| ABERYSTWYTH| Aberystwyth, Llanbadarn Fawr, Penparcau|rowspan=3|Ceredigion, Powys|-| LLANON| Llanon|-| LLANRHYSTUD| Llanrhystud|-!rowspan=3|SY24| BORTH| Borth|rowspan=3|Ceredigion|-| BOW STREET| Bow Street, Pen-y-garn, Rhydypennau, Llandre|-| TALYBONT| Talybont|-!rowspan=2|SY25| YSTRAD MEURIG| Ystrad Meurig|rowspan=2|Ceredigion, Powys|-| TREGARON| Tregaron|-! style="background:#FFFFFF;"|SY99| style="background:#FFFFFF;"|SHREWSBURY| style="background:#FFFFFF;"|Jobcentre Plus| style="background:#FFFFFF;"|non-geographic|}