| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Brierton | TS22 5PP |
| Postal/ZIP Codes in Claxton | TS22 |
| Postal/ZIP Codes in Dalton Piercy | TS27 |
| Postal/ZIP Codes in Elwick | TS27 |
| Postal/ZIP Codes in Greatham | TS25 |
| Postal/ZIP Codes in Hart | TS27 |
| Postal/ZIP Codes in Hart Village | TS27 |
| Postal/ZIP Codes in Hartlepool | TS24, TS25, TS26, TS27 |
| Postal/ZIP Codes in Newton Bewley | TS22 |
| Postal/ZIP Codes in Park View Industrial Estate | TS25 1PE |
| Postal/ZIP Codes in Queens Meadow Business Park | TS25 |
| Postal/ZIP Codes in Seaton Carew | TS25 |
| Postal/ZIP Codes in The Headland | TS24 0PR |