- Auckland Park - County Durham
- Aycliffe - County Durham
- Aycliffe Business Park - County Durham
- Baldersdale - County Durham
- Barnard Castle - County Durham
- Barningham - County Durham
- Binchester - County Durham
- Binchester Moor - County Durham
- Bishop Auckland - County Durham
- Bishop Middleham - County Durham
- Bolam - Darlington
- Boldron - County Durham
- Bowes - County Durham
- Bradbury - Hartlepool
- Brignall - County Durham
- Brusselton - County Durham
- Butterknowle - County Durham
- Byers Green - County Durham
- Chilton - County Durham
- Chilton Industrial Estate - County Durham
- Church Kelloe - County Durham
- Cleatlam - Darlington
- Close House - County Durham
- Cockfield - County Durham
- Copley - County Durham
- Coronation - County Durham
- Cotherstone - County Durham
- Coundon - County Durham
- Coundon Gate - County Durham
- Coundon Grange - County Durham
- Coxhoe - County Durham
- Crook - County Durham
- Darlington
- Davy Lamp - County Durham
- East Howle - County Durham
- Eggleston - County Durham
- Eldon - County Durham
- Eldon Lane - County Durham
- Escomb - County Durham
- Etherley - County Durham
- Etherley Dene - County Durham
- Etherley Grange - County Durham
- Etherley Moor - County Durham
- Evenwood - County Durham
- Evenwood Gate - County Durham
- Ferryhill - County Durham
- Fir Tree - County Durham
- Fishburn - Hartlepool
- Gainford - Darlington
- Garmondsway - County Durham
- Gilmonby - County Durham
- Greenhead - County Durham
- Greta Bridge - County Durham
- Hamsterley - County Durham
- Hartlepool
- Headlam - Darlington
- Helmington Row - County Durham
- Hett - County Durham
- High Etherley - County Durham
- High Startforth - County Durham
- High Wham - County Durham
- Hilton - Darlington
- Howden Le Wear - County Durham
- Hunderthwaite - County Durham
- Hunwick - County Durham
- Hutton Magna - County Durham
- Ingleton - Darlington
- Kelloe - County Durham
- Kinninvie - County Durham
- Kirk Merrington - County Durham
- Langleydale - County Durham
- Langton - Darlington
- Lartington - County Durham
- Leasingthorne - County Durham
- Leeholme - County Durham
- Little Newsham - Darlington
- Low Etherley - County Durham
- Low Wham - County Durham
- Low Willington Industrial Estate - County Durham
- Mainsforth - County Durham
- Marwood - County Durham
- Metal Bridge - County Durham
- Mickleton - County Durham
- Middlestone - County Durham
- Middlestone Moor - County Durham
- Middridge - County Durham
- Mordon - Hartlepool
- Morley - County Durham
- Morton Tinmouth - Darlington
- New Coundon - County Durham
- Newfield (Bishop Auckland) - County Durham
- Newton Aycliffe - County Durham
- Newtown - County Durham
- North Bitchburn - County Durham
- Old Eldon - County Durham
- Ovington - County Durham
- Page Bank - County Durham
- Preston Le Skerne - County Durham
- Quarrington Hill - County Durham
- Ramshaw - County Durham
- Rokeby - County Durham
- Romaldkirk - County Durham
- Rushyford - County Durham
- Saint Helen Auckland - County Durham
- Scargill - County Durham
- School Aycliffe - County Durham
- Sedgefield - County Durham
- Sheraton - Middlesbrough
- Shildon - County Durham
- South Church - County Durham
- South Church Enterprise Park - County Durham
- South Cleatlam - Darlington
- Southside - County Durham
- Spennymoor - County Durham
- Staindrop - Darlington
- Stainton - County Durham
- Stainton Grove - County Durham
- Startforth - County Durham
- Station Town - County Durham
- Stockton-on-Tees
- Streatlam - County Durham
- Sunnybrow - County Durham
- Thinford - County Durham
- Thorpe Larches - Hartlepool
- Tindale Crescent - County Durham
- Todhills - County Durham
- Toft Hill - County Durham
- Toronto - County Durham
- Trimdon - County Durham
- Trimdon Colliery - County Durham
- Trimdon Grange - County Durham
- Trimdon Station - County Durham
- Tudhoe Colliery - County Durham
- Tudhoe Village - County Durham
- Tursdale - County Durham
- Wackerfield - Darlington
- Wear Valley Junction - County Durham
- West Auckland - County Durham
- West Cornforth - County Durham
- Westerton - County Durham
- Westwick - County Durham
- Whitworth - County Durham
- Whorlton - County Durham
- Willington - County Durham
- Windlestone - County Durham
- Windmill - County Durham
- Winston - Darlington
- Winston (Richmond) - County Durham
- Winterton - Hartlepool
- Witton Le Wear - County Durham
- Witton Park - County Durham
- Woodland - County Durham
- Wycliffe - County Durham