Upton phone numbers start 023
Upton is in Nursling and Rownhams, and its landline numbers begin 023 - the code named after Portsmouth, about 19 miles away.
There are also 3 smaller places called Upton: Upton, Lytchett Minster and Upton (01202), Upton, Slough (01753), Upton, Burford (01993).
An 023 number does not prove the caller is in Upton
139 phone companies hold 023 ranges, a number keeps its code when it moves provider, and caller ID can be faked outright. The code tells you which exchange the range was allocated to - nothing about who dialled.
- Area code
- 023
- Administrative area
- Nursling and Rownhams
- Nation
- England
- Population
- not recorded
- The code is named after
- Portsmouth
- Distance from the exchange
- about 19 miles
- Phone companies holding ranges
- 139
Numbers reported on 023
People have reported these 023 numbers to this site. The reports are unchecked and we have not verified any of them. A report is one person's account, not a finding.
- +4423811131751 report · last 26 September 2026
Other places on 023
023 covers more than Portsmouth. A call showing this code could have been allocated to a range at any of these exchanges.
Codes near Upton
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Buy us a coffeeArea code and range data from Ofcom's published allocations, downloaded 1 October 2026. Town locations, populations and administrative areas from Wikidata (CC0), joined 1 October 2026 - towns within 40 km of the exchange. Reports are from visitors to this site and are unchecked. Browse every town A-Z.