Southampton business phone numbers (023)
Southampton is a city in Hampshire, England (local authority: City of Southampton), population 271,173 (2016). Its landline dialling code is 023, which Southampton shares with 9 other towns such as Totton and Eling and Eastleigh. No 023 numbers were in stock on 8 November 2026; the catalogue refreshes daily.
Southampton at a glance
- Dialling code
- 023
- Numbers in stock
- 0 (live, 8 November 2026)
- Local authority
- City of Southampton
- County
- Hampshire
- Nation / region
- South East England, England
- Status
- City
- Population
- 271,173 (2016)
- Coordinates
- 50.907, -1.404
Place data: Wikidata Q79848 (retrieved 26 September 2026). Codes: Ofcom geographic area codes. Stock: Silux Call number catalogue.
Other towns on 023
- Totton and Eling 6.2 km
- Eastleigh 7.7 km
- Lee-on-the-Solent 18.4 km
- Southwick 20.9 km
- Gosport 23.3 km
- Portsmouth 24.9 km
- Waterlooville 26.4 km
- Southsea 27.1 km
- Havant 30.4 km
Towns near Southampton
| Town | Distance | Code | Area |
|---|---|---|---|
| Totton | 6.2 km | — | Hampshire |
| Totton and Eling | 6.2 km | 023 | Hampshire |
| Hedge End | 7.1 km | — | Hampshire |
| Eastleigh | 7.7 km | 023 | Hampshire |
| Romsey | 11.2 km | 01794 | Hampshire |
| Bishop's Waltham | 14.5 km | 01489 | Hampshire |
Southampton: questions answered
What is the dialling code for Southampton?
Southampton uses 023. 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 8 November 2026. Check the numbers page for the latest stock.
Which other towns use 023?
Nearest first: Totton and Eling (6.2 km), Eastleigh (7.7 km), Lee-on-the-Solent (18.4 km), Southwick (20.9 km), Gosport (23.3 km), Portsmouth (24.9 km), and 3 more.
Which towns are near Southampton?
Totton (6.2 km), Totton and Eling (6.2 km, 023), Hedge End (7.1 km), Eastleigh (7.7 km, 023), Romsey (11.2 km, 01794).
Can a Southampton business get an 0345 or 0330 number instead of a local one?
Yes. Alongside a 023 local number you can add a UK-wide 0345 or 0330 number for £4.99 a month (ex VAT, no setup fee, no contract), or an 0800 freephone number. 0345 and 0330 cost callers the same as a local call; 0345 is the range that replaced 0845.
Can I move my existing Southampton 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
A month, ex VAT, each with 1 UK landline number: Entry £4.75 (1 user), Plus £8.95 (99p for 2 months) (3 users), Growth £11.95 (6 users), Pro £18.95 (10 users). Extra landlines £5.99 a month. 7-day Free Trial, no card.
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