Districts in the TS area
| District | Main place | Local authority | Sectors | Postcodes |
|---|---|---|---|---|
| TS1 | Middlesbrough | Middlesbrough | 6 | 607 |
| TS2 | Middlesbrough | Middlesbrough | 1 | 123 |
| TS3 | Middlesbrough | Middlesbrough | 5 | 881 |
| TS4 | Middlesbrough | Middlesbrough | 2 | 513 |
| TS5 | Middlesbrough | Middlesbrough | 5 | 1,025 |
| TS6 | Eston | Redcar and Cleveland | 5 | 918 |
| TS7 | Middlesbrough | Middlesbrough | 3 | 606 |
| TS8 | Middlesbrough | Middlesbrough | 3 | 396 |
| TS9 | Stokesley | North Yorkshire | 3 | 549 |
| TS10 | Redcar | Redcar and Cleveland | 6 | 1,104 |
| TS11 | Marske-by-the-Sea | Redcar and Cleveland | 3 | 364 |
| TS12 | Saltburn-by-the-Sea | Redcar and Cleveland | 4 | 671 |
| TS13 | Loftus | Redcar and Cleveland | 2 | 396 |
| TS14 | Guisborough | Redcar and Cleveland | 4 | 517 |
| TS15 | Yarm | Stockton-on-Tees | 2 | 460 |
| TS16 | Egglescliffe | Stockton-on-Tees | 2 | 350 |
| TS17 | Thornaby-on-Tees | Stockton-on-Tees | 6 | 1,033 |
| TS18 | Stockton-on-Tees | Stockton-on-Tees | 5 | 890 |
| TS19 | Stockton-on-Tees | Stockton-on-Tees | 5 | 1,080 |
| TS20 | Stockton-on-Tees | Stockton-on-Tees | 2 | 524 |
| TS21 | Sedgefield | County Durham | 4 | 545 |
| TS22 | Wynyard | Stockton-on-Tees | 1 | 342 |
| TS23 | Billingham | Stockton-on-Tees | 4 | 767 |
| TS24 | Hartlepool | Hartlepool | 5 | 748 |
| TS25 | Hartlepool | Hartlepool | 5 | 1,065 |
| TS26 | Hartlepool | Hartlepool | 3 | 660 |
| TS27 | Hartlepool | County Durham | 2 | 390 |
| TS28 | Wingate | County Durham | 1 | 165 |
| TS29 | Trimdon | County Durham | 1 | 195 |
Main places in the TS area
- Middlesbrough
- Stockton-on-Tees
- Hartlepool
- Redcar
- Billingham
- Thornaby-on-Tees
- Eston
- Guisborough
- Ingleby Barwick
- Egglescliffe
- Yarm
- Marske-by-the-Sea
- Grangetown
- Saltburn-by-the-Sea
- Skelton
- Stokesley
- Great Ayton
- Sedgefield
- Wynyard
- Brotton
- South Bank
- Loftus
- Wingate
- New Marske
- Fishburn
- Trimdon
- Hutton Rudby
- Blackhall Rocks
- Stainton
- Kirklevington