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Banks and building societies

Principality Building Society phone numbers

Edited by Richard BarkerChecked 13 October 2026

Principality Building Society publishes 4 numbers for you to call on its own website. We list each one with the page it is on (1 page in all), a short quote from that page and the date we checked it.

Numbers to call Principality Building Society

What each line is for, as Principality Building Society describes it, with opening hours where it gives them.

How scams that copy banks and building societies work

UK Finance describes the usual pattern: a caller says they are from your bank or the police, tells you there has been fraud on your account, and asks you to move your money to a "safe account". The criminal controls that account.

Stop Scams UK runs 159, which puts you through to your bank and cannot be spoofed. Hang up and call 159 or the number on the back of your card.

This could still be a scam call

Criminals can make their number look like a genuine one (this is called spoofing). If someone calls from this number and asks for money, bank details, a code or passwords, hang up. Then call Principality Building Society back on the number on the back of your card, or call 159, which connects you to your bank.

Safe ways to check

Questions about Principality Building Society’s numbers

What numbers can I call Principality Building Society on?

Principality Building Society publishes 4 numbers for the public to call. They include: 0330 333 4000 (General enquiries); 0330 333 4002 (New mortgage enquiries); 0330 333 4020 (Mortgage payment worries or arrears). Check the source page for each one before you call, as numbers and opening hours change.

Does Principality Building Society publish a number on its own website that is not listed here? Suggest a number for Principality Building Society.

Sources and checks

This page relies on:

Checked on 13 October 2026. Read how we build the directory. How we check our information. Spotted a mistake? Tell us and we will put it right.