Have you recently received a letter from PO Box 585, Darlington, DL1 9BD and are wondering who’s behind it? This specific postal address has drawn curiosity across the UK due to its recurring appearance in correspondence, particularly relating to financial or pension-related matters.
While receiving letters from PO Boxes is not uncommon, understanding their origin and purpose is essential for clarity and peace of mind.
This guide explores the background, significance, and contact details of the entity linked to this address, helping readers uncover the facts and what actions they should take upon receiving such mail.
What Is PO Box 585 Darlington DL1 9BD and Why Does It Matter?

PO Box 585, Darlington, DL1 9BD is officially linked to the Royal Mail Statutory Pension Scheme (RMSPS). This address plays a key role in managing communications related to pensions, particularly for individuals associated with Royal Mail employment.
The address is primarily used for processing opt-out forms for digital communications, indicating a formal channel for those wishing to receive correspondence in traditional mail formats.
This PO Box is important for several reasons:
- It handles sensitive pension documentation
- It ensures secure and centralised postal management
- It supports users who prefer or require physical mail over digital notifications
For many, mail from this address signifies updates or actions required regarding pension entitlements or preferences.
With pensions being a crucial financial matter, such correspondence should be handled carefully and verified if there’s any uncertainty.
What Does the DL1 9BD Postcode Reveal About the Area and Its Usage?
The postcode DL1 9BD corresponds to an area in Darlington, a town in County Durham, North East England. Postcode analysis tools show that this location is known for hosting several PO Boxes and professional mailing addresses. Rather than being a residential zone, this area is primarily structured for commercial and logistical purposes.
The presence of multiple PO Boxes in this postcode suggests it’s a secure postal processing zone. It is likely used by governmental departments, financial services, and large corporations to manage correspondence securely and efficiently.
This lends credibility to the PO Box as being tied to legitimate operations such as pension communications, rather than informal or suspicious mailing sources.
Who Uses PO Box 585 in Darlington?

PO Box 585 is actively used by the organisation managing the Royal Mail Statutory Pension Scheme. This scheme handles pensions for employees who built up benefits before April 2012 under Royal Mail’s previous pension system.
The address is specifically mentioned in official documents as the return address for communication preference forms.
Organisations that typically use this kind of PO Box include:
- Government departments or pension schemes
- Financial and legal service providers
- Institutions needing secure mailing options for large-scale communication
This usage ensures documents related to pensions are handled with confidentiality and reliability.
Who Are They?
The entity behind PO Box 585 is the administrative body of the Royal Mail Statutory Pension Scheme (RMSPS).
This scheme was set up to manage pension benefits for Royal Mail Group employees before the company transitioned into the Royal Mail Pension Plan in 2012.
Here’s what they do:
- Administer pensions: For members who stopped accruing benefits before 2012
- Process opt-out and preference forms: Especially for digital or postal communications
- Respond to member queries: Via telephone, email, or mail
They are not a third-party or unknown organisation. The Royal Mail SPS is a formal and legitimate body with defined responsibilities related to pension management.
Why Might You Receive a Letter from PO Box 585 Darlington DL1 9BD?

Receiving a letter from this address is generally linked to official pension-related matters. These communications are particularly relevant to individuals who were previously part of the Royal Mail workforce or had accrued pension benefits before 2012. The mail may include sensitive documents, which require your attention.
Common Reasons for Receiving Mail
- Opt-out Forms: If you’ve chosen not to receive digital updates, you may be sent printed forms.
- Policy Updates: Changes in pension scheme rules or updates to your entitlements.
- Statements: Annual pension statements or updates on your benefits.
- Requests for Confirmation: In case of changes to your personal information or next of kin.
It’s always advisable to read the letter thoroughly, check the sender details, and contact the pension support line if you’re unsure about the authenticity.
What Should You Do If You Receive Unexpected Mail from PO Box 585 Darlington?
Receiving unexpected mail can feel alarming, but there are practical steps to verify and respond appropriately. Since this address is tied to a pension scheme, any correspondence is likely legitimate, but caution is still wise.
Recommended Actions
- Read the Letter Carefully: Understand the message and check for your name and National Insurance number.
- Verify the Contact Details: Confirm phone numbers or email addresses match the official details for RMSPS.
- Do Not Discard: Pension letters can contain deadlines for actions or important updates.
- Contact the Support Team: If in doubt, contact the pension team via official numbers to verify authenticity.
Helpful Details to Include in Your Query
- Full name
- Date of birth
- National Insurance number or pension member number
This ensures the team can quickly identify your records and assist you.
How Can You Contact or Find Out More About PO Box 585 Darlington?

To find out more or follow up about mail from PO Box 585, you can contact the Royal Mail Statutory Pension Scheme through several official channels.
| Query Type | Contact Method | Details |
| General Enquiries | Phone / Email | 0333 222 0078 / enquiries@rmsps.co.uk |
| Overseas Enquiries | Phone | +44 1325 271 861 |
| Post (Before April 2012 benefits) | Postal | PO Box 551, Darlington, DL1 9TX |
| Post (After April 2012 benefits) | Email / Website | pensions.helpline@royalmail.com / royalmailpensionplan.co.uk |
Make sure to include your personal and pension details when making an enquiry to receive accurate and timely support.
Should You Be Concerned About PO Box 585 in Darlington?
Generally, there is no reason for concern if you receive correspondence from this address. It is a well-known point of contact for the Royal Mail’s pension system. However, if the contents are unclear or seem suspicious, caution is recommended.
| Situation | Concern Level | Suggested Action |
| You’re a former Royal Mail employee | Low | Review contents and respond if needed |
| You never worked for Royal Mail | Medium | Contact RMSPS for clarification |
| Letter appears suspicious | High | Report to Action Fraud and verify |
In most cases, letters from this PO Box are routine communications. But remaining vigilant is a good practice when handling official post.
Conclusion
PO Box 585 Darlington DL1 9BD is a legitimate and secure address used by the Royal Mail Statutory Pension Scheme. It plays a key role in processing opt-out forms and delivering important updates to pension scheme members.
While the appearance of unfamiliar mail can be concerning, this address is tied to formal, professional services, not spam or scam operations.
By verifying the content and reaching out through official channels, recipients can be confident in handling their correspondence safely.
FAQs About PO Box 585 Darlington DL1 9BD
What is the purpose of Royal Mail SPS and why do they use PO Boxes?
The Royal Mail SPS uses PO Boxes for secure and centralised handling of pension-related mail. It ensures sensitive data is processed through a trusted channel.
Can PO Boxes in the UK be linked to fraudulent activity?
While most PO Boxes are legitimate, some scammers use fake addresses. It’s essential to verify sender information through official sources.
How can I trace who owns a UK PO Box address?
PO Box ownership is typically private and not publicly available. However, official communications usually indicate the responsible organisation.
Why do pension-related letters come from PO Boxes like this one?
Pension providers use PO Boxes for efficiency and security when sending financial documents. It helps manage high-volume, sensitive communication securely.
Is DL1 9BD a known distribution or correspondence centre?
Yes, this postcode is associated with commercial postal operations. It is used for multiple PO Boxes including those linked to pension schemes.
What action should I take if I receive a letter from this PO Box and suspect it’s a scam?
Contact the official pension support team using known phone numbers or emails. Do not provide any personal details until the source is verified.
Are there any online tools to identify mysterious UK postcodes?
Yes, postcode analysis tools can show the area type and known usage. These tools help determine if a postcode is residential, business, or postal.
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