Can I pay voluntary contributions in Euros?

Can I transfer Euros form EU contry, ar only pounds? What is HMRC address? My bank needs address.

Hi,
Yes we can accept Euros, the amount will converted to Sterling before being applied to the customer’s account.
Overseas payments
Use the following details to make a payment if your account is overseas:
Bank Identifier Code (BIC) - BARCGB22
account number (IBAN) - GB49BARC20204830944793
account name - HMRC NIC Receipts
Overseas payment reference
Use your National Insurance number followed by ‘IC’, your surname then your initial.
If your bank limits you to a certain amount of characters, you should use your National Insurance number followed by ‘IC’ and as much of your surname as possible.
Example
If your name is Anne Jones, you’d write the reference as QQ123456AICJONESA
Our bank address is: 
Barclays Bank
1 Churchill Place
London
E14 5HP
United Kingdom.
Thank you.