Postcode LL21
Bethel +27 · Gwynedd, Wales
LL21 is the postcode of Bethel, Bettws Gwerfil Goch, Bryneglwys and 25 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
- LL21
- County
- Gwynedd, Denbighshire, Conwy
- Country
- Wales
- Country
- United Kingdom
28 places with postcode LL21
| Place | County | Location |
|---|---|---|
| Bethel | Gwynedd | 52.967, -3.377 |
| Bettws Gwerfil Goch | Denbighshire | 53.000, -3.433 |
| Bryneglwys | Denbighshire | 53.017, -3.283 |
| Carrog | Denbighshire | 52.967, -3.317 |
| Cefn-brith | Conwy | 52.967, -3.377 |
| Cerrigydrudion | Conwy | 52.967, -3.377 |
| Corwen | Denbighshire | 52.980, -3.377 |
| Crogen | Gwynedd | 52.967, -3.377 |
| Cynwyd | Denbighshire | 52.959, -3.406 |
| Derwen | Denbighshire | 53.033, -3.400 |
| Druid | Denbighshire | 52.967, -3.377 |
| Four Crosses | Denbighshire | 52.990, -3.410 |
| Gellioedd | Conwy | 52.967, -3.377 |
| Glan-yr-afon | Gwynedd | 52.967, -3.377 |
| Glasfryn | Conwy | 52.967, -3.377 |
| Glyndyfrdwy | Denbighshire | 52.967, -3.377 |
| Gwyddelwern | Denbighshire | 53.008, -3.380 |
| Llandrillo | Denbighshire | 52.923, -3.438 |
| Llanfihangel Glyn Myfyr | Conwy | 53.017, -3.500 |
| Llangwm | Conwy | 52.983, -3.533 |
| Maerdy | Conwy | 52.967, -3.377 |
| Melin-y-Wig | Denbighshire | 52.967, -3.377 |
| Plas Isaf | Denbighshire | 52.967, -3.377 |
| Pont yr Alwen | Conwy | 52.967, -3.377 |
| Ty-mawr | Conwy | 52.967, -3.377 |
| Ty-nant | Conwy | 52.967, -3.377 |
| Tyn-y-cefn | Denbighshire | 52.967, -3.377 |
| Wenallt | Gwynedd | 52.967, -3.377 |
Near Liverpool
The nearest major city is Liverpool, about 56 km away.
Nearby postcodes
Frequently asked questions
Which places use postcode LL21?
Bethel, Bettws Gwerfil Goch, Bryneglwys, Carrog, Cefn-brith, Cerrigydrudion, Corwen, Crogen, Cynwyd, Derwen, Druid, Four Crosses and 16 more.
Which county and country is LL21 in?
Gwynedd, Denbighshire, Conwy, Wales, United Kingdom.
What is the nearest major city to LL21?
Liverpool, about 56 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.