United Kingdom
SY21 post code
Post code details
37 placesCode
Place
Aberriw
Region
England
County
Powys
Coordinates
52.6983, -3.1657
Accuracy
3 / 6
Country
United Kingdom
Location
OpenStreetMap ↗
52.6983, -3.1657© OpenStreetMap
Places under this code
37| Place | Region | County | Coordinates |
|---|---|---|---|
| Aberriw | England | Powys | 52.6983, -3.1657 |
| Brooks | England | Powys | 52.6983, -3.1657 |
| Buttington | Wales | Powys | 52.6689, -3.1114 |
| Castle Caereinion | Wales | Powys | 52.6418, -3.2379 |
| Dolanog | Wales | Powys | 52.7048, -3.385 |
| Dolwen | England | Powys | 52.6983, -3.1657 |
| Foel | England | Powys | 52.6585, -3.2074 |
| Forden | Wales | Powys | 52.6016, -3.142 |
| Four Crosses | England | Powys | 52.6585, -3.2074 |
| Fron | England | Powys | 52.6983, -3.1657 |
| Garreg Bank | England | Powys | 52.6983, -3.1657 |
| Garthmyl | Wales | Powys | 52.5898, -3.1922 |
| Groes-lwyd | England | Powys | 52.6983, -3.1657 |
| Guilsfield | Wales | Powys | 52.6963, -3.1571 |
| Heniarth | England | Powys | 52.6983, -3.1657 |
| Hope | England | Powys | 52.6585, -3.2074 |
| Kingswood | England | Powys | 52.6585, -3.2074 |
| Leighton | Wales | Powys | 52.65, -3.1333 |
| Llanerfyl | Wales | Powys | 52.6767, -3.4321 |
| Llanfair Caereinion | Wales | Powys | 52.6479, -3.3267 |
| Llangadfan | Wales | Powys | 52.6866, -3.4637 |
| Llanllugan | Wales | Powys | 52.6101, -3.3947 |
| Llwydiarth | England | Powys | 52.6983, -3.1657 |
| Llwynderw | England | Powys | 52.6983, -3.1657 |
| Manafon | Wales | Powys | 52.6124, -3.3118 |
| Marton | England | Shropshire | 52.6167, -3.05 |
| Melin-y-grug | England | Powys | 52.6983, -3.1657 |
| Middletown | England | Powys | 52.6983, -3.1657 |
| Nant-y-dugoed | England | Powys | 52.6983, -3.1657 |
| Pant-y-ffridd | England | Powys | 52.6983, -3.1657 |
| Pen-y-bont | England | Powys | 52.6585, -3.2074 |
| Pentre'r beirdd | England | Powys | 52.6983, -3.1657 |
| Pool Quay | Wales | Powys | 52.6944, -3.1023 |
| Trelystan | Wales | Powys | 52.6265, -3.0935 |
| Trewern | Wales | Powys | 52.6689, -3.1114 |
| Vaynor Park | England | Powys | 52.6983, -3.1657 |
| Welshpool | Wales | Powys | 52.6597, -3.1471 |
Same code in other countries
0This code only appears in this country.
FAQ
Which city is SY21 in?
Aberriw, England, United Kingdom.
What are the coordinates of SY21?
52.6983, -3.1657
Is SY21 used in other countries?
No.
The data is unofficial and has known truncation; verify with the recipient and carrier for critical shipments. See data source & license → · Updated 2026-11-09. Attribution in