LL51 is located in the county of
Gwynedd · Wales
Gwynedd is a principal area in Wales. It was established as a principal area (unitary authority) in 1996, combining county and district functions.
When asked for your county on official forms (passport applications, DVLA, HMRC), enter Gwynedd. This is the ceremonial/geographic county for postcode LL51.
Your council tax is collected by Gwynedd. Contact your local council for billing enquiries.
Royal Mail considers the county optional in postal addresses — the postcode is sufficient for delivery. However, many forms and databases still require a county. For LL51, use Gwynedd.
LL51 is in Gwynedd, Wales.
LL51 is in Gwynedd.
For postcode LL51, enter Gwynedd as your county on official forms, passport applications, and formal addresses.
Postcode LL51 is served by Gwynedd. Contact them for council tax, planning, and local services.
Yes. Royal Mail states that the postcode is the essential element for delivery — county is not required. However, including Gwynedd can help if the postcode is unclear or on forms that require it.
Gwynedd is a principal area, one of 22 principal areas in Wales established in 1996 as unitary authorities.