libphonenumber API

23 Area Code

Portsmouth and 1 other location · United Kingdom

Country code +44 · ISO GB

Area Code

23

Country

United Kingdom

Calling Code

+44

Timezone

Example 23 Number

A sample number from this area code, formatted three ways.

National International E.164
023 1034 5678 +44 23 1034 5678 +442310345678

Try it now

Pre-filled with a 23 sample number. Edit it and click "Try It" to see the parsed result.

Cities and Regions

Locations served by the 23 area code, according to Google's libphonenumber.

  • · Portsmouth
  • · Southampton

How to Dial United Kingdom Numbers

From abroad

Dial +44 followed by the national number, dropping any leading 0.

Within United Kingdom

Dial 0 before the local number to make a domestic call.

Dialing out of United Kingdom

Dial 00 followed by the destination country code and number.

Frequently Asked Questions

Where is the 23 area code?

The 23 area code covers Portsmouth in United Kingdom.

How do I dial a 23 number?

From abroad, dial +44 23 followed by the local number. Within United Kingdom, dial 023 before the local number.