Cancel your Spacetalk subscription by mail
For Spacetalk the route is a written letter: cancellation requests are taken by post, and certified mail shows when yours arrived. The cancellation address on file for Spacetalk is in Adelaide, Australia.
Let Postbye cancel Spacetalk 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 Spacetalk.
- 4.8 from 2,931 reviews
- 3 Spacetalk cancellations handled this month
- Certified mail with tracking
- Mailed every business day
- Delivery proof sent to you
- We confirm your cancellation
How to cancel Spacetalk by mail
Collect the details you need
Before writing, collect the account number, the phone number or service address being cancelled and the name on the account. Spacetalk can only act on a request it can match to an account.
Draft the request
State plainly that you want the Spacetalk account cancelled, further charges stopped and a written confirmation sent to you. Postbye sets this out in a ready English template (“Subject: Cancellation Request – [your name]”).
Send the letter by certified mail
Take the letter to the post office and ask for certified delivery to 5000 Adelaide. Keep the tracking number it gives you.
Keep the proof of delivery
It shows the date Spacetalk received your letter. Check your next statement: no Spacetalk charge should post after the cancellation date.
With Postbye, steps 2 to 4 take about two minutes of your time.
Where your Spacetalk cancellation letter goes
The mailing address we hold for Spacetalk is Frome Street 104, Level 2, 5000 Adelaide, Australia.
Adelaide is in South Australia, Australia; the postal code to quote is 5000.
Your details go in a block headed by Account holder, Billing address on file and Email on file, and the opening line is “To Whom It May Concern,”.
Prefer to write it yourself? Use our letter template
Every address we hold for Spacetalk, with the envelope wording
Before you cancel Spacetalk, check these
- Name the exact line or service address. Accounts with several lines can leave one of them running.
- Ask for a final bill in writing and return any rented equipment by tracked mail.
- Check for an early-termination fee or a remaining equipment balance before the cancellation date.
Several states set rules for subscriptions that renew on their own. See what yours requires in automatic renewal laws by state.
Let Postbye cancel Spacetalk 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 phone or internet plan
Phone and internet providers tie cancellation to contracts, equipment balances and notice periods, so the request should name the exact line or service and ask for a final bill in writing.
A phone call leaves nothing behind; a letter leaves a copy, a date and a delivery receipt.
Spacetalk cancellation at a glance
- How Spacetalk accepts cancellations
- By mailed letter
- Mailing address on file
- Spacetalk Frome Street 104 Level 2 5000 Adelaide Australia
- Country
- Australia
- Letter language
- English (template en-generic)
- Category (from the company name)
- Phone & internet
- Added to the database
- May 19, 2026
- Data last checked
