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023 area code: Southampton and Portsmouth

Quick answer

023 is the UK dialling code for Southampton and Portsmouth and the surrounding area. Local numbers start 023, followed by the rest of the number.

AreaSouthampton and Portsmouth Format023 + local number From abroad+44 23 + local number
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Who called me from a 023 number?

A 023 number means the call came from a landline or business line registered in the Southampton and Portsmouth area, or from a virtual number using that code. The code alone can't tell you who the caller is.

1Dial 1471 from your landlineHear the last number that called you, if it wasn't withheld.
2Don't call back numbers you don't recogniseIf it matters, a genuine caller will usually leave a voicemail or write.
3Stop sales callsRegister free with the Telephone Preference Service, and report nuisance calls to Ofcom.
For businesses

Get a 023 Southampton and Portsmouth number, wherever you are

A virtual 023 number gives you a local Southampton and Portsmouth presence. Calls ring on your mobile, desk phone or our app, anywhere in the UK.

Virtual 023 number £12.50 /month + VAT Free connection · 12-month minimum term Get your 023 number Start a 30-day free trial
Included UK landline minutes500 a monthIncluded UK mobile minutes250 a monthExtra landline minutes2.5p/minExtra mobile minutes5p/minCost to your callersStandard UK landline rateActivationSame day
All prices exclude VAT, which is added to your bill.
Potter taking a call on his mobile in his workshop

Why businesses use a local 023 number

  • Look local to Southampton and Portsmouth customers, even if your team works elsewhere.
  • Answer on any device: mobile, desk phone or laptop app.
  • Keep business and personal calls apart on one handset.
  • Add call routing, voicemail and recording as you grow.

023 questions

How do I call a 023 number from abroad?

Dial +44, drop the first 0, then dial the rest of the code and the local number: +44 23 followed by the local number.

How much does it cost to call 023?

023 is a standard UK geographic number. Calls cost the same as any UK landline and are usually included in mobile and landline call bundles.

Can I get a 023 number without being in Southampton and Portsmouth?

Yes. A virtual 023 number works from anywhere in the UK and forwards calls to your existing phones.

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