LL55 1TW lies on Bangor Road in Caernarfon. LL55 1TW is located in the Menai electoral ward, within the unitary authority of Gwynedd and the Welsh Parliamentary constituency of Arfon. The Local Health Board is Betsi Cadwaladr University and the police force is North Wales. This postcode has been in use since March 2023.


| Easting | 249128 |
| Northing | 364617 |
| Latitude | 53.157265 |
| Longitude | -4.257883 |
| Street | Bangor Road |
| Town/City | Caernarfon |
| Country | Wales |
| Postcode District | LL55 |
Elevation or altitude of LL55 1TW as distance above sea level:
| Metres | Feet | |
|---|---|---|
| Elevation | 20m | 66ft |
Elevation is measured from the approximate centre of the postcode, to the nearest point on an OS contour line from OS Terrain 50, which has contour spacing of ten vertical metres.
➜ How high above sea level am I? Find the elevation of your current position using your device's GPS.
| Ward | Menai |
|---|---|
| Constituency | Arfon |
PLAS BRERETON, BANGOR ROAD, CAERNARFON, LL55 1TW 2015 15 APR £591,146 |
| Tal Menai (Caernarfon Road) | Waterloo Port | 331m |
| Tal Menai (Caernarfon Road) | Waterloo Port | 360m |
| Ffordd Bangor (Bangor Road) | Waterloo Port | 543m |
| Ffordd Bangor Road (Bangor Road) | Waterloo Port | 648m |
| Waterloo Port (North Road) | Waterloo Port | 777m |



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| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Anglesey Sea Zoo | 16:45 | 10:00 | 1,578m |
| Ty Coch | 10:30 | 08:15 | 2,037m |
| Caernarfon Delivery Office | 17:30 | 13:00 | 2,201m |
The below table lists the International Territorial Level (ITL) codes (formerly Nomenclature of Territorial Units for Statistics (NUTS) codes) and Local Administrative Units (LAU) codes for LL55 1TW:
| ITL 1 Code | Name |
|---|---|
| TLL | Wales |
| ITL 2 Code | Name |
| TLL1 | West Wales and The Valleys |
| ITL 3 Code | Name |
| TLL12 | Gwynedd |
| LAU 1 Code | Name |
| W06000002 | Gwynedd |
The below table lists the Census Output Area (OA), Lower Layer Super Output Area (LSOA), and Middle Layer Super Output Area (MSOA) for LL55 1TW:
| Code | Name | |
|---|---|---|
| OA | W00000474 | |
| LSOA | W01000093 | Gwynedd 006B |
| MSOA | W02000015 | Gwynedd 006 |
| LL55 1TP | Bangor Road | 344m |
| LL55 1LS | Bangor Road | 347m |
| LL55 1LR | Bangor Road | 555m |
| LL55 1LP | Marine Terrace | 620m |
| LL55 1LF | Ffordd Menai | 827m |
| LL55 1LL | Cae Gwyn | 905m |
| LL55 1LN | Bangor Road | 969m |
| LL55 1DY | Bethel Road | 991m |
| LL55 1EN | Llys Gwyn | 1059m |
| LL55 1LE | Llys Meirion | 1064m |