| Postcode | PO1 1NS | 
|---|---|
| Post Town | Portsmouth | 
| Nearest station | Portsmouth and Southsea (0 km) | 
| Bus stops | Station Street (W) City Shops South (SW) City Shops South (N) City Shops South (SE) Civic Offices (SE) City Shops South (NW) | 
| Known addresses | 
                          No addresses found
                       | 
| Businesses | 
                        No businesses found
                     | 
| Latitude | 50.799592 | |
|---|---|---|
| Longitude | -1.088946 | |
| Easting | 464301 | |
| Northing | 100399 | |
| Grid reference | SU643003 | |
| UTM reference | 30U 634669 5629279 | |
| what3words | cool.monks.tower | |
| FixPhrase | crewmate mace swell unpadded | |
| Plus code | 9C2WQWX6+RC | |
| Altitude | 10 metres (32 feet) | |
| Sunrise (today) | 6:55 | |
| Sunset (today) | 16:42 | |
| Distance away | ||
| Distance to sea | 1.5 KMs (0.9 miles) | 
| Parish | Portsmouth, unparished area | E43000035 | 
|---|---|---|
| Ward | Charles Dickens | E05002443 | 
| Unitary Authority | Portsmouth | E06000044 | 
| County | Hampshire | E10000014 | 
| Constituency (2024) | Portsmouth South | E14001432 | 
| MP | Stephen Morgan | Labour | 
| Police force | Hampshire | |
| NUTS/ITL 3 | Portsmouth | |
| NUTS/ITL 2 | Hampshire and Isle of Wight | |
| NUTS/ITL 1 | South East | |
| Country | England | E92000001 | 
| Date introduced | March 1983 | 
|---|---|
| Date usage ended | December 1990 | 
| Last updated | September 2025 | 
| User type | Large (addresses receive more than 25 items of mail per day) | 
| Quality | Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference | 
| Index of Multiple Deprivation (2019) | Most deprivedLeast deprived | |
|---|---|---|
| Average household income (2020) | Lowest (£22,200)
                        Highest (£108,100)
                       | |
| Rural/urban (2021) | Urban: Nearer to a major town or city | |
| Rural/urban (2011) | Urban city and town | |
| Built up area (2024) | Portsmouth | E63013748 | 
| Census output area (2021) | E00174470 | |
| Census output area (2011) | 2B2 | |
| Lower layer super output area (2021) | Portsmouth 027C | E01017032 | 
| Lower layer super output area (2011) | Portsmouth 016B | E01017032 | 
| Middle layer super output area (2021) | Portsea | E02006975 | 
| Middle layer super output area (2011) | Fratton West & Portsea | E02003539 | 
| Travel to work area | Portsmouth | E30000254 | 
| Average property price in Portsmouth | £299,930 | 
|---|---|
| Annual change | 0.3% |