Mordon

Towns: Barnard Castle  • Bishop Auckland  • Chilton  • Ferryhill  • Great Aycliffe  • Greater Willington  • Peterlee  • Seaham  • Sedgefield  • Shildon  • Spennymoor  • Stanley  • Tow Law

Parishes: Barforth  • Barningham  • Bearpark  • Belmont  • Bishop Middleham  • Bolam  • Boldron  • Bournmoor  • Bowes  • Bradbury and the Isle  • Brancepeth  • Brandon and Byshottles  • Brignall  • Burnhope  • Cassop cum Quarrington  • Castle Eden  • Cleatlam  • Cockfield  • Cornforth  • Cornsay  • Cotherstone  • Coxhoe  • Croxdale and Hett  • Dalton le Dale  • Dene Valley  • Easington Colliery  • Easington Village  • Edmondbyers  • Edmondsley  • Eggleston  • Egglestone Abbey  • Eldon  • Esh  • Etherley  • Evenwood and Barony  • Fishburn  • Forest and Frith  • Framwellgate Moor  • Gainford  • Gilmonby  • Great Lumley  • Greencroft  • Hamsterley  • Hamsterley Common  • Haswell  • Hawthorn  • Headlam  • Healeyfield  • Hedleyhope  • Hilton  • Holwick  • Hope  • Horden  • Hunderthwaite  • Hunstanworth  • Hutton Henry  • Hutton Magna  • Ingleton  • Kelloe  • Kimblesworth and Plawsworth  • Lanchester  • Langleydale and Shotton  • Langton  • Lartington  • Little Lumley  • Lunedale  • Lynesack and Softley  • Marwood  • Mickleton  • Middleton in Teesdale  • Middridge  • Monk Hesleden  • Mordon  • Morton Tinmouth  • Muggleswick  • Murton  • Nesbitt  • Newbiggin  • North Lodge  • Ouston  • Ovington  • Pelton  • Pittington  • Raby with Keverstone  • Rokeby  • Romaldkirk  • Sacriston  • Satley  • Scargill  • Seaton with Slingley  • Shadforth  • Sheraton with Hulam  • Sherburn Village  • Shincliffe  • Shotton  • South Bedburn  • South Hetton  • Staindrop  • Stanhope  • Startforth  • Streatlam and Stainton  • Thornley  • Trimdon  • Trimdon Foundry  • Urpeth  • Waldridge  • Wackerfield  • Weather Hill Wood  • West Auckland  • West Rainton  • Westwick  • Wheatley Hill  • Whorlton  • Windlestone  • Wingate  • Winston  • Witton Gilbert  • Witton le Wear  • Wolsingham  • Wolsingham Park Moor  • Woodland  • Wycliffe with Thorpe

Unparished areas: The former Chester le Street Urban District  • Consett  • Durham Municipal Borough  • Parts of the former Bishop Auckland Urban District  • Crook and Willington Urban District  • Stanley Urban District

Towns: Billingham

Parishes: Aislaby  • Carlton  • Egglescliffe  • Elton  • Grindon  • Longnewton  • Newsham  • Preston on Tees  • Redmarshall  • Stillington and Whitton  • Wolviston

Unparished areas: Part of the former Teesside County Borough