Amwell, Ayot Green, Ayot St Lawrence, Ayot St Peter, Ayres End, Bell Bar, Bernards Heath, Birch Green, Birchwood, Blackmore End, Bramfield, Bull's Green, Bullen's Green, Burnham Green, Codicote, Codicote Bottom, Cole Green, Coleman Green, Colney Heath, Cooper's Green, Cromer Hyde, Danesbury, Datchworth, Digswell, Digswell Park, Digswell Water, Driver's End, East End Green, Ellenbrook, Essendon, Fleetville, Gustard Wood, Haldens, Hall Grove, Handside, Harmer Green, Hatfield, Hatfield Garden Village, Hatfield Hyde, Hoo End, Howe Green, Jersey Farm, Kimpton, Labby Green, Lea Valley, Leasey Bridge, Letty Green, Lower Woodside, Mackerye End, Mardleybury, Marshalls Heath, Marshalswick, Marshmoor, Mill Green, Nast Hyde, Nomansland, North Mymms, Nup End Green, Oaklands, Old Hatfield, Oxlease, Panshanger, Park Corner, Peartree, Piper's End, Porter's End, Pottersheath, Rableyheath, Roe Green, Roestock, Sandridge, Sherrardspark, Sleapshyde, Smallford, South Hatfield, Staines Green, Stanborough, Tewin, Tewin Wood, The Folly, The Frythe, The Node, The Ryde, Tyttenhanger, Welham Green, Welwyn, Welwyn Garden City, West End, Wheathampstead, Wildhill, Woodhall, Woodside, Woolmer Green