Postcode SY20
Aber-cywarch +37 · Gwynedd, Wales
SY20 is the postcode of Aber-cywarch, Aberangell, Abercegir and 35 other places in Gwynedd, Wales, United Kingdom. This list covers outward codes — the first half of a UK postcode, such as M9 or BN91 — not full postcodes.
- Postcode
- SY20
- County
- Gwynedd, Powys, Ceredigion
- Country
- Wales
- Country
- United Kingdom
38 places with postcode SY20
| Place | County | Location |
|---|---|---|
| Aber-cywarch | Gwynedd | 52.557, -3.839 |
| Aberangell | Gwynedd | 52.667, -3.717 |
| Abercegir | Powys | 52.557, -3.839 |
| Abergwydol | Powys | 52.557, -3.839 |
| Aberhosan | Powys | 52.561, -3.754 |
| Aberllefenni | Gwynedd | 52.667, -3.817 |
| Angler's Retreat | Ceredigion | 52.557, -3.839 |
| Cemmaes | Powys | 52.641, -3.717 |
| Commins Coch | Powys | 52.557, -3.839 |
| Corris | Gwynedd | 52.651, -3.843 |
| Corris Uchaf | Gwynedd | 52.661, -3.857 |
| Cwm-Cewydd | Gwynedd | 52.557, -3.839 |
| Cwm-Llinau | Powys | 52.557, -3.839 |
| Cwrt | Gwynedd | 52.614, -3.819 |
| Darowen | Powys | 52.601, -3.729 |
| Derwenlas | Powys | 52.557, -3.839 |
| Dinas-Mawddwy | Gwynedd | 52.719, -3.692 |
| Eglwys Fach | Ceredigion | 52.557, -3.839 |
| Esgairgeiliog | Powys | 52.557, -3.839 |
| Furnace | Ceredigion | 52.557, -3.839 |
| Garneddwen | Gwynedd | 52.557, -3.839 |
| Glantwymyn | Powys | 52.557, -3.839 |
| Glaspwll | Powys | 52.557, -3.839 |
| Llancynfelyn | Ceredigion | 52.614, -3.819 |
| Llanwrin | Powys | 52.615, -3.792 |
| Llanymawddwy | Gwynedd | 52.757, -3.627 |
| Machynlleth | Powys | 52.591, -3.850 |
| Mallwyd | Gwynedd | 52.698, -3.685 |
| Minllyn | Gwynedd | 52.557, -3.839 |
| Pantglas | Powys | 52.614, -3.819 |
| Pantperthog | Gwynedd | 52.557, -3.839 |
| Penegoes | Powys | 52.593, -3.809 |
| Pennal | Gwynedd | 52.586, -3.921 |
| Plas Llwyngwern | Powys | 52.557, -3.839 |
| Tal-y-wern | Powys | 52.557, -3.839 |
| Taliesin | Ceredigion | 52.504, -3.979 |
| Tre'r-ddol | Ceredigion | 52.557, -3.839 |
| Ysgubor-y-coed | Ceredigion | 52.557, -3.839 |
Near Liverpool
The nearest major city is Liverpool, about 107 km away.
Nearby postcodes
Frequently asked questions
Which places use postcode SY20?
Aber-cywarch, Aberangell, Abercegir, Abergwydol, Aberhosan, Aberllefenni, Angler's Retreat, Cemmaes, Commins Coch, Corris, Corris Uchaf, Cwm-Cewydd and 26 more.
Which county and country is SY20 in?
Gwynedd, Powys, Ceredigion, Wales, United Kingdom.
What is the nearest major city to SY20?
Liverpool, about 107 km away.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.