Postcode district boundaries:
|Postcode area name|
|Statistics as at May 2020|
The SY postcode area, also known as the Shrewsbury postcode area, is a group of 25 postcode districts in England and Wales, within 32 post towns. These cover most of Shropshire (including Shrewsbury, Oswestry, Ludlow, Bucknell, Whitchurch, Bishop's Castle, Craven Arms, Church Stretton, Ellesmere, Lydbury North and Llanymynech), north Powys (including Montgomery, Newtown, Welshpool, Caersws, Llanbrynmair, Llanfechain, Llanfyllin, Llandinam, Llanidloes, Llansantffraid, Machynlleth and Meifod), and north Ceredigion (including Aberystwyth, Borth, Bow Street, Tregaron, Talybont, Ystrad Meurig, Llanrhystud and Llanon), plus small parts of south Cheshire (including Malpas) and north Herefordshire, and very small parts of Gwynedd and Wrexham County Borough.
The approximate coverage of the postcode districts:
- "ONS Postcode Directory Version Notes" (ZIP). National Statistics Postcode Products. Office for National Statistics. May 2020. Table 2. Retrieved 19 June 2020. Coordinates from mean of unit postcode points, "Code-Point Open". OS OpenData. Ordnance Survey. February 2012. Retrieved 21 April 2012.
- Royal Mail, Address Management Guide, (2004)