CH1

Chester postcode area
CH
Postcode area	CH
Postcode area name	Chester
Post towns	13
Postcode districts	37
Postcode sectors	213
Postcodes (live)	18,595
Postcodes (total)	23,317
Statistics as at February 2012

Postcode district boundaries: Bing / Google

The CH postcode area, also known as the Chester postcode area, is a group of postcode districts near the England/Wales border. 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.

The approximate coverage of the postcode districts:

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Wikipedia