Cancel your Rocksbox subscription by mail
Rocksbox deals with cancellations through the post, so the request goes in a letter and the certified-mail receipt is your proof of when. The cancellation address on file for Rocksbox is in San Francisco, United States.
Let Postbye cancel Rocksbox for you
We write your letter, mail it by certified mail the next business day, and confirm when the cancellation went through. You keep the signed proof.
Money-back guarantee within 10 business days.
Postbye is not affiliated with Rocksbox.
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- 2 Rocksbox cancellations handled this month
- Certified mail with tracking
- Mailed every business day
- Delivery proof sent to you
- We confirm your cancellation
How to cancel Rocksbox by mail
Gather your account details
Rocksbox will look your account up from what the letter says, so check the email on the account, the plan name and the billing date shown on your latest statement first.
Prepare the letter
Postbye turns the request into a finished English letter headed “Subject: Subscription termination – Rocksbox”: close the Rocksbox account, stop every charge and reply in writing.
Mail the letter with a receipt
Send the letter to the San Francisco mailing address shown below by certified mail. Keep the tracking number safe.
Save the tracking record
Delivery confirmation is your evidence that Rocksbox was asked. Watch the next statement or two for any further Rocksbox charge.
With Postbye, steps 2 to 4 take about two minutes of your time.
Where your Rocksbox cancellation letter goes
For a letter to Rocksbox, use 360 Post Street, Suite 1100, San Francisco, CA 94108.
San Francisco, California 94108 is a United States address, so ordinary certified mail reaches it.
Your name, address and email appear in a short block labelled Name, Address and E-mail, under the greeting “To Whom It May Concern,”.
Prefer to write it yourself? Use our letter template
Every address we hold for Rocksbox, with the envelope wording
Before you cancel Rocksbox, check these
- The charge can post before the box ships. Check the billing date on your statement.
- Prepaid multi-month plans often continue to their end. Check what you already paid for.
- Ask for written confirmation, and keep any return label or tracking number.
Several states set rules for subscriptions that renew on their own. See what yours requires in automatic renewal laws by state.
Let Postbye cancel Rocksbox for you
We write your letter, mail it by certified mail the next business day, and confirm when the cancellation went through. You keep the signed proof.
Cancelling a subscription box
Subscription boxes bill on a fixed day and ship later, so a request has to arrive before the next billing date and say that the plan, not just the next box, should end.
A phone call leaves nothing behind; a letter leaves a copy, a date and a delivery receipt.
Rocksbox cancellation at a glance
- How Rocksbox accepts cancellations
- By mailed letter
- Mailing address on file
- Rocksbox 360 Post Street Suite 1100 San Francisco, CA 94108
- Country
- United States
- Letter language
- English (template en)
- Category (from the company name)
- Subscription boxes
- Added to the database
- April 30, 2026
- Data last checked
