PO Box 66 Bradford BD5 5BF is an address that often appears on letters received by individuals across the UK, especially in connection with financial or official matters.
Many people are left wondering who is behind this PO Box and why they’re being contacted. Is it legitimate? Should you respond, or could it be a scam? These are common questions that arise when such letters arrive unexpectedly.
Whether it’s about your savings, identity checks, or account updates, understanding the origin and intent of the correspondence is crucial. In this article, we explore what this address is commonly used for and what to do if you receive a letter from it.
Who Uses PO Box 66 Bradford BD5 5BF?

PO Box 66 Bradford BD5 5BF is primarily used by the Yorkshire Building Society (YBS), one of the largest building societies in the UK. YBS utilises this PO Box for sending official documents, financial updates, account information, and more to its customers.
The building society operates various types of accounts, including savings, mortgages, and investment services, which often require official correspondence.
The address is not typically shared with other companies, which means if you receive a letter from PO Box 66, it is most likely from YBS. In some cases, it could be linked to subsidiary companies or partners of YBS, but the primary sender remains Yorkshire Building Society.
This address is used for secure and confidential mail handling, ensuring important documents are delivered safely and promptly to their recipients.
Why Might You Receive a Letter from PO Box 66 Bradford?
Receiving a letter from PO Box 66 Bradford BD5 5BF is often associated with the following reasons:
- Account Updates: You might receive updates regarding changes to your account, balance statements, or modifications to account terms.
- Identity Verification: Yorkshire Building Society may send letters to confirm your identity as part of their regular checks to prevent fraud.
- New Products or Services: You could be informed about new financial products, services, or special offers.
- Fraud Prevention Alerts: If suspicious activity is detected on your account, YBS may send you a letter to verify your details and protect your financial security.
- Annual Savings Statements: Typically sent out annually, these letters provide details about the interest earned and account performance over the year.
- Certificates of Interest: These are usually mailed to confirm the amount of interest paid on your accounts for tax purposes.
- Mortgage Communications: If you hold a mortgage with YBS, you might receive important notifications regarding payments, changes in interest rates, or new offers.
If you are a customer of Yorkshire Building Society or have any financial dealings with them, it is normal to receive such correspondence. However, always verify the authenticity of any unexpected letters before taking action.
What Type of Letter Can You Get from PO Box 66 Bradford BD5 5BF?

The type of letter you receive from PO Box 66 Bradford BD5 5BF depends on your engagement with Yorkshire Building Society. Here are the primary types of letters you may expect:
1. Financial Statements and Account Updates
Yorkshire Building Society sends out regular financial statements to its customers, providing a detailed summary of transactions, balance updates, and interest earned. These letters often come annually or quarterly, depending on your account type.
2. Legal and Compliance Notices
In compliance with UK regulations, YBS sends out notices to inform customers of any changes to terms and conditions or legal obligations. This could include updates on privacy policies, changes in interest rates, or notifications about regulatory adjustments.
3. Promotional Offers and Service Announcements
YBS sometimes informs customers about new savings plans, investment opportunities, or mortgage options through direct mail. These promotional letters provide exclusive offers or details about new financial products that might benefit your savings or investments.
4. Mortgage and Loan Communications
If you hold a mortgage with Yorkshire Building Society, you might receive letters related to your payment schedule, interest rate adjustments, or promotional offers on mortgage products. These communications are important for keeping track of your financial obligations and exploring better rate options.
5. Certificates of Interest and Tax Information
YBS sends out Certificates of Interest annually, detailing the amount of interest paid on your accounts. These documents are often required for tax reporting and serve as official proof of interest earnings.
How Can You Verify the Authenticity of a Letter from PO Box 66 Bradford?
To confirm that a letter from PO Box 66 Bradford BD5 5BF is genuine, follow these steps:
- Check the Letterhead: Official YBS letters should have the Yorkshire Building Society logo and proper branding.
- Verify Contact Information: Call the main YBS customer service line at 0345 1200 100 for confirmation.
- Look for Your Account Information: Authentic letters will reference your account details, but only partial information for security.
- Inspect the Envelope: The return address should match PO Box 66 Bradford BD5 5BF.
- Watch for Spelling or Grammar Errors: Legitimate letters are professionally written and free from mistakes.
If you are still unsure, visit the Yorkshire Building Society website or log into your account online to verify any claims made in the letter. You can also contact their customer service for additional assurance.
What Should You Do If You Receive an Unsolicited Letter From PO Box 66?

Receiving an unsolicited letter from PO Box 66 Bradford BD5 5BF can be surprising, especially if you are not expecting any communication from Yorkshire Building Society (YBS). Here’s a step-by-step guide on how to handle such letters safely and effectively:
Step 1: Read the Letter Carefully
- Start by reading the letter thoroughly to understand its purpose.
- Look for any mention of your account, services, or recent transactions.
- Pay attention to the sender’s details, the YBS logo, and the return address.
Step 2: Verify the Information
- Cross-check the information with any recent activity on your Yorkshire Building Society account.
- If the letter mentions specific transactions or account changes, compare these with your records.
- For added security, log in to your YBS online account to verify if there are matching updates.
Step 3: Check for Red Flags
Be cautious of letters that:
- Request sensitive information like passwords, PINs, or full account numbers.
- Contain spelling or grammatical errors, which are unusual for professional correspondence.
- Use vague or generic greetings such as “Dear Customer” instead of your name.
Step 4: Contact Yorkshire Building Society Directly
- If you have doubts, contact YBS Customer Service at 0345 1200 100.
- If the letter concerns a lost or stolen card, call 0345 9101 112 immediately.
- You can also use their online secure messaging system through your online account.
Step 5: Report Suspicious Activity
- If you suspect the letter is fraudulent, report it to Yorkshire Building Society for verification.
- You can also report it to Action Fraud UK, the national reporting centre for fraud and cybercrime.
If the letter turns out to be legitimate but unsolicited, you can request to be removed from marketing or promotional lists by contacting YBS directly. This way, you can reduce the number of unexpected letters you receive in the future.
Can PO Box 66 Bradford BD5 5BF Be Traced to a Specific Department?
PO Box 66 Bradford BD5 5BF serves as a central mailing hub for a variety of communications, and while it is not tied to one single department, many of the letters sent from this address can be traced back to specific divisions based on their content.
For instance, letters related to savings accounts, ISAs, or investment updates typically originate from the Savings and Investments Department.
If the correspondence involves mortgages, such as payment schedules, interest rate changes, or policy updates, it likely comes from the Mortgage Services Department. General account modifications, service updates, or inquiries usually stem from Customer Services.
Despite these connections, the PO Box itself acts as a general processing point, meaning it collects mail on behalf of multiple departments.
Determining the origin of a letter may require reviewing the letter’s content and reference numbers to understand which department issued it.
Is There Any Risk of Scams or Fraud Linked to PO Box 66 Bradford?

Although PO Box 66 Bradford BD5 5BF is used by a legitimate financial institution, the risk of scam attempts using familiar addresses can never be entirely ruled out.
Fraudsters may imitate authentic-looking letters to manipulate recipients into sharing sensitive information or making unauthorised payments.
Scam letters often display certain red flags: they might ask for full account numbers, PINs, or passwords, something genuine letters would never request. Other indicators include poor spelling and grammar, vague greetings such as “Dear Customer,” and unfamiliar reference numbers.
These characteristics can signal fraudulent intent. If a letter seems suspicious, it’s essential to examine it carefully before responding. Legitimate correspondence is typically professionally formatted and contains specific, verifiable information.
Being cautious and aware of these warning signs is key to protecting your personal data. Staying informed about potential risks helps prevent falling victim to impersonation scams, especially when dealing with financial or sensitive communication.
How to Contact Yorkshire Building Society Regarding PO Box 66?
If you receive a letter from PO Box 66 Bradford BD5 5BF and need clarification or wish to verify its authenticity, you can contact Yorkshire Building Society (YBS) using the following options:
| Purpose | Contact Number | Availability |
| General Inquiries | 0345 1200 100 | 9am-5pm Monday to Friday, 9am-1pm Saturday |
| Lost or Stolen Cards | 0345 9101 112 | 24/7 Availability |
| Bereavement Enquiries | 0345 166 9229 | 9am-5pm Monday to Friday, 9am-1pm Saturday |
| Power of Attorney Enquiries | 01274 472 220 | 9am-5pm Monday to Friday |
| Calling from Overseas | +44 1274 263013 | 9am-5pm Monday to Friday |
| Customer Services (Postal) | Yorkshire Building Society, Yorkshire Drive, Bradford, BD5 8LJ | Standard business hours |
| Online Secure Messaging | Log into your YBS online account and click the envelope icon to send a secure message. | Anytime through online services |
If you have any doubts or queries about the contents of the letter, it is highly recommended to reach out to YBS directly using one of the secure contact methods above.
Always avoid disclosing personal information via email or phone unless you are certain you are communicating with Yorkshire Building Society representatives.
Conclusion
Receiving a letter from PO Box 66 Bradford BD5 5BF is most commonly associated with Yorkshire Building Society and their range of financial services.
Whether it is for account updates, financial notices, or mortgage information, understanding the purpose and authenticity of the letter is crucial.
Verifying the letter through official Yorkshire Building Society contact numbers can provide peace of mind and protect you from potential scams.
If ever in doubt, contacting YBS directly is the best course of action to ensure the letter is legitimate and your financial details remain secure.
FAQs About PO Box 66 Bradford BD5 5BF
What companies use PO Box 66 Bradford BD5 5BF?
Yorkshire Building Society is the primary user of PO Box 66 Bradford BD5 5BF for handling secure mail correspondence.
Is PO Box 66 Bradford BD5 5BF always linked to financial services?
Yes, it is mainly used for financial services communications, specifically by Yorkshire Building Society for their customers.
Can I visit the physical location of PO Box 66 Bradford?
No, PO Box 66 Bradford is a secure mailing address, not a public office or branch location.
How long has PO Box 66 Bradford BD5 5BF been active?
The address has been in use for many years as part of Yorkshire Building Society’s centralised communication system.
Are letters from PO Box 66 usually important or promotional?
Letters from PO Box 66 can be both important account updates or promotional material, depending on your relationship with YBS.
How can I stop receiving letters from PO Box 66 Bradford?
You can contact Yorkshire Building Society to adjust your communication preferences or opt out of marketing mail.
Can I find out who sent the letter from PO Box 66 Bradford BD5 5BF?
The sender is typically Yorkshire Building Society, and you can verify details by contacting their customer service.