The
SY postcode area, also known as the
Shrewsbury postcode area, is a group of postcode districts primarily around
Shrewsbury, but also covering
Aberystwyth,
Bishop's Castle,
Borth,
Bow Street,
Bucknell,
Caersws,
Church Stretton,
Craven Arms,
Ellesmere,
Llanbrynmair,
Llandinam,
Llanfechain,
Llanfyllin,
Llanidloes,
Llanon,
Llanrhystud,
Llansanffraid,
Llanymynech,
Ludlow,
Lydbury North,
Machynlleth,
Malpas,
Meifod,
Montgomery,
Newtown,
Oswestry,
Talybont,
Tregaron,
Welshpool,
Whitchurch and
Ystrad Meurig. Despite being centred on the large English town of Shrewsbury, more than half of the postcode area is in
Wales.