Hampshire · Area code
023 area code — Southampton & Portsmouth phone numbers
023 covers both Southampton (023 80) and Portsmouth (023 92). Get your own 023 business number that rings your mobile, with no line install and no engineer visit.
Where is the 023 area code?
023 is the UK dialling code for Southampton & Portsmouth in Hampshire. Calls from abroad use +44 23 — the international prefix +44 followed by the code without its leading zero.
Areas commonly served by 023 include:
- Southampton
- Portsmouth
- Eastleigh
- Fareham
Area code boundaries follow the telephone exchange network rather than council borders, so a few addresses just outside Southampton & Portsmouth may fall under a neighbouring code. Ofcom publishes the definitive list of UK dialling codes at ofcom.org.uk.
What you get
An 023 number without an Southampton & Portsmouth line
Rings your mobile
Answer the number wherever you are — site, van or office.
No local premises needed
You don't need an address or a line in the area to use its code.
Voicemail to email
Missed calls arrive in your inbox as audio and text.
Ring the whole team
Route calls to several phones so leads don't go unanswered.
How It Works
Live on an 023 number in three steps
Pick your 023 number
Choose a spare Southampton & Portsmouth number, or port the one you already advertise.
Tell us where calls go
Your mobile, the team's mobiles, a desk phone, or different phones out of hours.
Start taking calls
Answer through the app or your normal handset. Voicemails arrive by email.
FAQ
023 number questions
Yes. The number is hosted in the cloud rather than on a line at a specific address, so you can advertise an 023 number wherever your business is based and answer it on your mobile.
Next steps
Related pages
Business VoIP phone systems
How calls work over broadband instead of a copper line.
More about business voip phone systemsBusiness phone deals
Current offers including free porting and free setup.
More about business phone dealsGet your 023 business number
Set up in days, answered on the phone you already carry.