The pen llyn postcode region (AB) contains 34 unique 'outward' codes. pen llyn is the main postal town or district for this region, with all pen llyn postcodes starting with the following outward codes.
This page contains a list of postcodes for pen llyn area. Select a pen llyn postcode to see the map location, demographics, house prices, local information, tourist guides and statistics:
There are a number of local information, guides and useful data to browse and explore, whether you're a pen llyn resident or a visitor to the pen llyn area.