Southsea business phone numbers (023)
Southsea is a town in Hampshire, England (local authority: City of Portsmouth), population 18,514 (2001). Its landline dialling code is 023, the Southampton exchange area, which Southsea shares with 9 other towns such as Portsmouth and Gosport. No 023 numbers were in stock on 17 October 2026; the catalogue refreshes daily.
Southsea at a glance
- Dialling code
- 023
- Numbers in stock
- 0 (live, 17 October 2026)
- Local authority
- City of Portsmouth
- County
- Hampshire
- Nation / region
- South East England, England
- Status
- Town
- Population
- 18,514 (2001)
- Coordinates
- 50.785, -1.070
Place data: Wikidata Q541348 (retrieved 26 September 2026). Codes: Ofcom geographic area codes. Stock: Silux Call number catalogue.
Other towns on 023
- Portsmouth 2.6 km
- Gosport 4 km
- Lee-on-the-Solent 9.5 km
- Havant 9.6 km
- Southwick 10.5 km
- Waterlooville 10.9 km
- Southampton 27.1 km
- Eastleigh 28.2 km
- Totton and Eling 33.1 km
Towns near Southsea
| Town | Distance | Code | Area |
|---|---|---|---|
| Portsmouth | 2.6 km | 023 | Hampshire |
| Gosport | 4 km | 023 | Hampshire |
| Cosham | 6.4 km | — | Hampshire |
| Portchester | 7.2 km | — | Hampshire |
| Lee-on-the-Solent | 9.5 km | 023 | Hampshire |
| Havant | 9.6 km | 023 | Hampshire |
Southsea: questions answered
What is the dialling code for Southsea?
Southsea uses 023 (Southampton). From outside the UK dial +44 23 then the local number.
How many numbers on 023 can I get from Silux Call?
None were in stock on 17 October 2026. Check the numbers page for the latest stock.
Which other towns use 023?
Nearest first: Portsmouth (2.6 km), Gosport (4 km), Lee-on-the-Solent (9.5 km), Havant (9.6 km), Southwick (10.5 km), Waterlooville (10.9 km), and 3 more.
Which towns are near Southsea?
Portsmouth (2.6 km, 023), Gosport (4 km, 023), Cosham (6.4 km), Portchester (7.2 km), Lee-on-the-Solent (9.5 km, 023).
Can I move my existing Southsea number to Silux Call?
Yes, if it is a UK geographic number. Porting is free on every paid plan, is handled by our team, and typically takes approximately 14 working days from submission.
Plans
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