023 Area Code

Southampton & Portsmouth

Area Code 023 covers Southampton & Portsmouth and the surrounding area.

Area Code 023 is split between a number of different locations and the dialing codes are allocated as follows: 023 8 - Southampton 023 9 - Portsmouth

The majority of numbers in the 023 Area Code belong to normal landlines in Southampton & Portsmouth, but it is possible that these numbers are being used elsewhere as virtual numbers.

There are multiple telephone companies operating in the 023 Area Code and they are allocated blocks of numbers, which can be identified by the digits following the Area Code. If you would like to see more information about the telephone company for a specific number (or number range then please search again with additional digits.

023 area code information

Area Code: 023
Location: Southampton & Portsmouth
Call Costs: Normal landline rate
Area code required for local calls: No
Local number length: 8
Number format: 023 #### ####
International number format: +44 23 #### ####
Last code change: April 2000 from 01703 (Southampton) and 01705 (Portsmouth).