<P> The CH postcode area , also known as the Chester postcode area , is a group of postcode districts covering parts of north - west England and north - east Wales . Having previously roughly covered the former Chester district and present - day Flintshire county , postcodes for the Wirral Peninsula ( CH41 - 49 , 60 - 66 ) were transferred to it in 1999 from the L postcode area . It includes Birkenhead , Chester , Ellesmere Port , Neston , Prenton and Wallasey in England and Bagillt , Buckley , Connah 's Quay , Flint , Holywell and Mold in Wales . </P>
<P> The CH postcode area , also known as the Chester postcode area , is a group of postcode districts covering parts of north - west England and north - east Wales . Having previously roughly covered the former Chester district and present - day Flintshire county , postcodes for the Wirral Peninsula ( CH41 - 49 , 60 - 66 ) were transferred to it in 1999 from the L postcode area . It includes Birkenhead , Chester , Ellesmere Port , Neston , Prenton and Wallasey in England and Bagillt , Buckley , Connah 's Quay , Flint , Holywell and Mold in Wales . </P>
when did wirral postcode change from l to ch
when did wirral postcode change from l to ch
in 1999
in 1999