Use the full area code before the local subscriber number.
UK geographic telephone code
0239 area code: Portsmouth
The 0239 dialling code is associated with Portsmouth.
How to dial Portsmouth
Use +44 and remove the leading zero from the area code.
An area-code match describes the number range, not the caller's identity or current physical location. Caller ID can also be spoofed.
Recent reports for 0239 numbers
-
NHS contact lenses
-
Received call 18/05/2026 but did not answer as I did not recognise the number. Call went to voicemail but no voicemail message left. Always suspicious when that happens so be wary.
-
I don't know who called from this number & it seems you don't know either? you supplied no useful information.
-
Caller said they were calling from o2.I don't have an account with o2.
-
Go compare travel insurance Unsolicited call,not welcomed
-
Asked why caller was Indian but number was showing from Portsmouth UK. Caller hung up immediately!
-
About some plumbing insurance, dont have any, looks like a scam, blocked number.
-
Claimed to be James from South Staffs Water wanting me to renew my plumbing contract with them - I am not a South Staffs Water customer and don't have any plumbing contract so definitely a scam
-
what ? another scam number ? why did they not leave a message ? suspect they rang off before ansafone cut in.
-
Suspected fraud so will not pick up
Source and review
This page uses Ofcom telephone area codes area-code information retrieved on 3 September 2026.