023 area code

Portsmouth and Southampton telephone numbers

The 023 dialling code covers Portsmouth and Southampton and the surrounding area.

Have you been called by a number beginning 023?

To get more information on a full number beginning 023, click here.

Phone numbers beginning 023 are geographic numbers.

More on geographic numbers

How to write an 023 telephone number

The correct way to write telephone numbers beginning 023 is in the format 023 xxxx xxxx

The local number (the part of the number after the dialling code) is 8 digits long

The cost of calling an 023 number

When calling from a landline, calls to 023 numbers can cost up to 10p per minute, dependent on the time of day, and there is usually also a call set-up fee
When calling from mobile phones, calls to these numbers cost between 10p and 40p per minute.

Most landline operators offer inclusive call packages which allow calls free at certain times of the day, or at all times, and most mobile companies include free any-time minutes in the monthly contract payment, or a bundle of minutes for a reduced cost in the form of a top-up credit.

Codes near to 023 area code:

View a list of the allocated number ranges for 023 numbers

Map of 023 location