Postal Service in Newton Aycliffe, County Durham
| Name & Address | Phone # | Website |
| Aycliffe Post Office 1 The Wynd, Newton Aycliffe, County Durham DL5 6JT | 01325 312137 |  |
| Aycliffe Trading Estate Post Office St. Cuthberts Way, Newton Aycliffe, County Durham DL5 6DX | 01325 312109 | |
| Heighington Sub Post Office 22 West Green, Newton Aycliffe, County Durham DL5 6RA | 01325 312121 | |
| Heighington Sub Post Office Darlington Road, Newton Aycliffe, County Durham DL5 6RB | 01325 301901 | |
| Horndale Sub Post Office 112 Silverdale Place, Newton Aycliffe, County Durham DL5 7DZ | 01325 300382 | |
| Post Office Ltd 1 Beveridge Arcade, Newton Aycliffe, County Durham DL5 4EJ | 0845-722 3344 |  |
| Simpasture Gate Post Office 5 Simpasture Gate, Newton Aycliffe, County Durham DL5 5HH | 01325 316916 | |
