023 Area Code — Southampton & Portsmouth Phone Numbers
Browse all phone numbers on Number Finder with the 023 (Southampton & Portsmouth) dialling code. Click any number below to see who called and read reports from other visitors.
Numbers beginning 023 belong to Southampton & Portsmouth. It's one of the UK's five "big number" area codes (alongside 020, 023, 024, 028 and 029), which use an 8-digit local number instead of the usual 6 or 7. Southampton & Portsmouth is in England, UK. Number Finder has 9 023 numbers on record. 023 numbers are occasionally spoofed by scam callers precisely because a local-looking code is more likely to be answered — a tactic known as neighbour spoofing. Never share bank details, passwords or one-time passcodes with an unexpected caller, even if the number looks local — hang up and call the organisation back on a number you've verified yourself.
