CH postcode area - wikipedia CH postcode area Postcode district boundaries : Google Template : Attached KML / CH postcode area KML is from Wikidata 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 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. Contents 1 Coverage 2 Map 3 See also 4 Notes 5 References 6 External links Coverage The approximate coverage of the postcode districts : Postcode district Post town Coverage Local authority area CH1 CHESTER Blacon, Chester, Higher Ferry, Capenhurst, Backford Cheshire West and Chester, Flintshire County Council CH2 CHESTER Backford, Chester, Elton, Hoole, Ince, Mickle Trafford, Moston, Newton by Chester, Upton by Chester Cheshire West and Chester CH3 CHESTER Boughton, Chester, Huntington, Mouldsworth, Tarvin, Tattenhall, Farndon, Waverton, Saighton, Upton by Chester Cheshire West and Chester CH4 CHESTER Chester, Curzon Park, Handbridge, Lache, Pulford, Penyffordd, Broughton, Saltney Cheshire West and Chester, Flintshire County Council CH5 DEESIDE Connah 's Quay, Shotton, Queensferry, Sealand, Garden City, Sandycroft, Hawarden, Ewloe, Mancot. Flintshire CH6 BAGILLT, FLINT Flint, Oakenholt, Flint Mountain, The Nant, Bagillt Flintshire CH7 BUCKLEY, MOLD Buckley, Leeswood, Treuddyn, Llanarmon - yn - Ial, Caerwys, Mold, Northop Hall, Drury Flintshire, Denbighshire council CH8 HOLYWELL Holywell, Milwr, Holway, Carmel, Lloc, Bryn Celyn, Greenfield, Halkyn, Lixwm, Talacre Flintshire CH25 BIRKENHEAD PO Boxes Metropolitan Borough of Wirral CH26 PRENTON PO Boxes Wirral CH27 WALLASEY Wallasey Wirral CH28 WIRRAL PO Boxes in Moreton Wirral CH29 WIRRAL PO Boxes in Hoylake Wirral CH30 WIRRAL PO Boxes in Upton Wirral CH31 WIRRAL PO Boxes in Heswall Wirral CH32 WIRRAL PO Boxes in New Ferry Wirral CH33 NESTON PO Boxes Cheshire West and Chester CH34 ELLESMERE PORT PO Boxes Cheshire West and Chester CH41 BIRKENHEAD Birkenhead, Claughton, Seacombe, Tranmere, Woodside Wirral CH42 BIRKENHEAD Birkenhead, Oxton, Prenton, Rock Ferry, Wirral CH43 PRENTON Beechwood, Bidston, Noctorum, Oxton, Prenton Wirral CH44 WALLASEY Egremont, Liscard, Poulton, Seacombe, Wallasey, Wirral CH45 WALLASEY New Brighton, Wallasey, Wallasey Village Wirral CH46 WIRRAL Leasowe, Moreton Wirral CH47 WIRRAL Hoylake, Meols, Saughall Massie, West Kirby Wirral CH48 WIRRAL Caldy, Frankby, Grange, Greasby, Hoylake, Meols, Newton, West Kirby Wirral CH49 WIRRAL Greasby, Landican, Saughall Massie, Upton, Woodchurch Wirral CH60 WIRRAL Gayton, Heswall Wirral CH61 WIRRAL Barnston, Heswall, Irby, Pensby, Thingwall, Thurstaston Wirral CH62 WIRRAL Bromborough, Eastham, New Ferry, Port Sunlight, Spital, Wirral CH63 WIRRAL Bebington, Brimstage, Bromborough, Clatterbridge, Higher Bebington, Raby, Raby Mere, Spital, Storeton, Thornton Hough, Wirral CH64 NESTON Little Neston, Ness, Neston, Parkgate, Puddington, Willaston, Cheshire West and Chester CH65 ELLESMERE PORT Ellesmere Port, Great Sutton, Whitby, Wolverham Cheshire West and Chester CH66 ELLESMERE PORT Childer Thornton, Ellesmere Port, Great Sutton, Hooton, Ledsham, Little Sutton, Overpool, Whitby Cheshire West and Chester CH88 CHESTER North West Securities Bank CH99 CHESTER Benefits Agency, St. Michaels Financial Services & Chargecard Map KML file ( edit help ) Display on Google Maps Template : Attached KML / CH postcode area KML is from Wikidata CH postcode area map, showing postcode districts in red and post towns in grey text, with links to nearby CW, L, LL, SY and WA postcode areas. See also List of postcode areas in the United Kingdom Postcode Address File GeoNames database Notes Jump up ^ This may only be used for PO Boxes now. There are live geographical postcodes, but ( for example ) Wallasey Town Hall is usually given the postcode CH44 8ED rather than CH27 9ZZ. References Jump up ^ `` ONS Postcode Directory Version Notes '' ( ZIP ). National Statistics Postcode Products. Office for National Statistics. February 2012. Table 2. Retrieved 21 April 2012. Coordinates from mean of unit postcode points, `` Code - Point Open ''. OS OpenData. Ordnance Survey. February 2012. Retrieved 21 April 2012. Jump up ^ Royal Mail, Address Management Guide, ( 2004 ) Jump up ^ `` Why we are changing postcodes -- Royal Mail ''. Wirral Globe website. Newsquest Media Group. 18 March 1999. Archived from the original on 7 December 2008. Retrieved 29 May 2009. ^ Jump up to : `` RM non-geographical postcode list '' ( PDF ). External links Using Welsh alternative addresses within Royal Mail 's Postcode Address File ( PAF ) Royal Mail 's Postcode Address File A quick introduction to Royal Mail 's Postcode Address File ( PAF ) Postcode areas in the United Kingdom, Channel Islands and Isle of Man AB AI AL ASCN BA BB BBND BD BF BH BIQQ BL BN BR BS BT BX CA CB CF CH CM CO CR CT CV CW DA DD DE DG DH DL DN DT DY EC EH EN EX FIQQ FK FY GIR GL GU GX GY HA HD HG HP HR HS HU HX IG IM IP IV JE KA KT KW KY KY LA LD LE LL LN LS LU ME MK ML MS NE NG NN NP NR NW OL OX PA PCRN PE PH PL PO PR QC RG RH RM SA SE SG SIQQ SK SL SM SN SO SP SR SS ST STHL SW SY TA TD TDCU TF TKCA TN TQ TR TS TW UB VG WA WC WD WF WN WR WS WV XX YO ZE Related UK lists : Postcode districts Post towns Postal counties London postal district Retrieved from `` https://en.wikipedia.org/w/index.php?title=CH_postcode_area&oldid=825149077 '' Categories : Chester Postcode areas covering Wales Postcode areas covering North West England Hidden categories : All articles with dead external links Articles with dead external links from January 2018 Articles with permanently dead external links EngvarB from September 2013 Use dmy dates from September 2013 Articles using KML from Wikidata Talk Contents About Wikipedia Add links This page was last edited on 11 February 2018, at 19 : 35. 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Question: when did wirral postcode change from l to ch
Answer: in 1999