023 area code: Southampton & Portsmouth
Landlines beginning 023 are registered to Southampton & Portsmouth, England. To call one from outside the UK, dial +44 23 xxxx xxxx.
Calls from the Southampton & Portsmouth area
If your phone showed a number starting 023, the line was issued in Southampton & Portsmouth, England. Numbers in this area are written like 023 xxxx xxxx in the UK and +44 23 xxxx xxxx internationally. Bear in mind the caller could be anywhere, because landlines can be forwarded and caller ID can be faked.
A missed call beginning 023 points to a landline in Southampton & Portsmouth. It is one of only five three-digit UK area codes (the others being 020, 024, 028 and 029), so the local number after it has eight digits. It is part of England. Who Called Me Check holds 199 023 numbers that people have looked up. Callers can make 023 appear on your screen even if they are nowhere near the area, a trick known as neighbour spoofing. Whatever the code, hang up on any caller who asks for card details, passwords or a one-time code, and ring the organisation back on a number you've found yourself.
023 key facts
- Code
- 023
- Registered to
- Southampton & Portsmouth, England
- Kind of number
- Landline (geographic)
- Full number length
- 11 digits
- Local part
- 8 digits
- Written in the UK
- 023 xxxx xxxx
- Dialled from abroad
- +44 23 xxxx xxxx
- Cost to call
- Standard landline rate
- Numbers we hold
- 199
- Caller reports
- 0
023 numbers people have checked
Questions about 023 numbers
Which area uses the 023 code?
023 is the landline code for Southampton & Portsmouth, England. You may also see it called the Southampton & Portsmouth dialling code or STD code. Full numbers here are 11 digits long: 023 followed by 8 local digits.
How do I ring a 023 number from within the UK?
Dial every digit, code included, for example 023 xxxx xxxx. You pay the same as for any other UK landline call.
How do I ring 023 from another country?
Start with +44 (or 00 44), drop the 0 so the code becomes 23, then dial the local number, for example +44 23 xxxx xxxx.
How much does a call to 023 cost?
Calling an 01 or 02 number costs the same as any UK landline call, and it normally comes out of the inclusive minutes on your landline or mobile plan.
Who called me from a 023 number?
The code only tells you where the number was first issued, not who is using it, and callers can fake a local code to seem familiar. Search the full number on this site and read any reports before you ring back.