Check postal code listings and find post code areas grouped by country, then town/city.
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Check postal code listings for Gwynedd in Wales. Choose an outward post code below to find post code units and street-level details.
Outward codes listed: 23 (for example LL23)
Examples: LL23 LL35 LL36 LL37 LL38 LL39 LL40 LL41
Searchers often use both compact format (for example ll231aa) and spaced format (for example LL23 1AA); both lead to the same postcode detail pages here.