Where is SY20?
SY20 spans the counties of Powys, Gwynedd, and Dyfed. It contains the town of Machynlleth, as well as Aberllefenni, Corris Uchaf, Cemmaes Road, Aberangell, and Corris. SY20 is 72km south of the city of Bangor. SY20 is a postcode district, also known as an outcode or outbound code.
SY20 on a map
The below map shows where SY20 is, and the boundary of the SY20 postcode district:
Postal Boundaries © GEOLYTIX copyright and database right 2012
What county is SY20 in?
SY20 lies within the counties of Powys, Gwynedd, and Dyfed. The below table and chart shows the split by area:
| County | % Area |
|---|---|
| Powys | 48% |
| Gwynedd | 41% |
| Dyfed | 12% |
Which cities, towns and villages are in SY20?
| Machynlleth | Town |
| Aberllefenni | Village |
| Corris Uchaf | Village |
| Cemmaes Road | Village |
| Aberangell | Village |
| Corris | Village |
| Furnace | Village |
| Pennant | Settlement |
| Penegoes | Village |
| Cemmaes | Village |
| Tre'r-ddol | Village |
| Eglwys Fach | Village |
| Llancynfelyn | Village |
| Minllyn | Village |
| Cwm-Llinau | Village |
| Derwenlas | Village |
| Commins Coch | Village |
| Dinas Mawddwy | Village |
| Tre Taliesin | Village |
| Dolcorsllwyn | Hamlet |
| Llanwrin | Hamlet |
| Aber-Cywarch | Hamlet |
| Pennal | Village |
| Glaspwll | Hamlet |
| Abercegir | Village |
| Cwrt | Hamlet |
| Pantperthog | Hamlet |
| Glandyfi | Hamlet |
| Llanymawddwy | Hamlet |
| Aberhosan | Village |
| Cwm-Cewydd | Hamlet |
| Mallwyd | Hamlet |
| Dolyronnen | Hamlet |
| Forge | Village |
| Tal-y-Wern | Hamlet |
| Ceinws | Village |
| Darowen | Hamlet |
| Plâs Llwyngwern | Hamlet |
| Pont Felin-y-ffrîdd | Hamlet |
| Esgairgeiliog | Village |
| Melinbyrhedyn | Hamlet |
What are the nearest towns to SY20?
Position of SY20 relative to nearby towns. Distance is measured from the centre of SY20 to the centre of the town.
What are the nearest cities to SY20?
Position of SY20 relative to nearby cities. Distance is measured from the centre of SY20 to the centre of the city.
- Contains OS data © Crown copyright and database right (2026)
- Contains Royal Mail data © Royal Mail copyright and Database right (2026)
- Contains National Statistics data © Crown copyright and database right (2026)
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