Portsmouth
17 postcode sectors mapped mainly to Portsmouth. Choose a district or browse the guides below. These are postcode sectors, not named neighbourhood boundaries.
Postcode districts
Area guides
17 sectors
- PO1 1Near Fratton
- PO1 4Near Fratton
- PO1 5Near Fratton
- PO1 9Near Somers Town
- PO2 0Near Fratton
- PO2 7Near Fratton
- PO2 9Near Hilsea
- PO4 0Near Fratton
- PO4 8Near Fratton
- PO5 1Near Somers Town
- PO5 2Near Southsea
- PO5 3Near Southsea
- PO5 4Near Somers Town
- PO6 1Near Drayton
- PO6 2Near Cosham
- PO6 3Near Wymering
- PO6 9Near Cosham
Authority grouping uses mapped sector boundaries from the Office for National Statistics, December 2025. It measures boundary area, not the number of addresses or residents. Guide names describe a place near the approximate sector centre.