Cardiff Dialling Code

Find phone number prefix information for Cardiff, Wales including all of the local regions that use the 029 area code.

029 area code information

The phone area code for Cardiff uses 8 local number digits after the area code prefix of 029. Based in the county of South Glamorgan in the South region of Wales, calls from Cardiff telephone numbers typically always follow the format of 029 [-][-][-][-] [-][-][-][-].

Other locations using the (0)29 area code

There are a number of other locations in local proximity to the Cardiff area that use the same number format. The list below represents some of the other towns and villages that use the same prefix:

  • Bedwas
  • Caerphilly
  • Cardiff
  • Cardiff Bay
  • Culverhouse Cross
  • Dinas Powys
  • Llandaff
  • Llanedeyrn
  • Llanishen
  • Llanrumney
  • Penarth
  • Pentyrch
  • Radyr
  • Roath
  • Senghenydd
  • Sully
  • Taffs Well
  • Whitchurch

Looking for more UK calling information?

Find out more details in our essential phone numbers guide, featuring information on 01 & 02 residential lines, 08 service lines and main emergency numbers used in the United Kingdom.

Want to find different area codes outside of Cardiff? Check out our dialling codes by region below:

England Area CodesScotland Area CodesWales Area CodesNorthern Ireland Area Codes

Nuisance calls from Cardiff telephone numbers?

If you’re receiving nuisance calls from a Cardiff, 029 telephone number, you can report it to the Information Commissioner’s Office and help stop unwanted calls from automated bots or real people.

Reporting a call to the ICO takes no longer than five minutes, simply click the button below.

Report a call

How to call Cardiff phone numbers

You can find all the relevant information for Cardiff telephone numbers including how to dial the 029 prefix from international locations. Call rates from international locations and mobile telephone numbers vary from standard rate charges, check with your supplier for a breakdown of costs per minute.

Dialling Code 029
Local Number Digits 8
UK Format 029 [-][-][-][-] [-][-][-][-]
International Format +44 (0)29
Location Cardiff
County South Glamorgan
Country Wales
Geo Coordinates 51.481581, -3.17909