- Scam
Community reports for 04 8583 8546 (0485838546) describe callers impersonating Coinbase, claiming accounts were hacked and requesting personal information.
Coinbase Impersonation Reports for 04 8583 8546
Three contributors have reported scam calls from 04 8583 8546 (also written as 0485838546) impersonating Coinbase support. The callers claim to represent the cryptocurrency exchange and allege account compromise or security breaches, even when the recipient has no Coinbase account. These calls display aggressive follow-up behaviour, with one contributor reporting repeated attempts until they blocked the number.
The impersonation tactic centres on creating false urgency around account security. Callers from 0485838546 reference specific details like old email addresses associated with potential accounts to appear legitimate, attempting to manipulate recipients into believing their accounts are at risk.
What Callers from 04 8583 8546 Claim
Contributors report that callers from 04 8583 8546 use consistent social engineering language. One report describes a caller stating "Coinbase got hacked" and citing an old email address, suggesting the scammer had accessed or purchased compromised contact information. Another contributor simply notes the caller claimed "there's a problem with my Coinbase account," a vague but alarming opening designed to trigger concern.
When recipients question the legitimacy or express scepticism, callers from 0485838546 have shown willingness to end the call, according to one contributor who "didn't like the response given." This suggests the scammer abandons targets who show resistance early, rather than persisting through objections.
A notable pattern involves the scammer requesting personal information. At least one contributor was pressured to provide details, with the call only ceasing after they blocked the number. This indicates the primary goal is credential harvesting rather than immediate financial theft.
Call Patterns and Timing
Reports span from December 2025 through April 2026, with one call received during early morning hours (02:28 on 23 March) and two during business hours (10:12 and 11:27). The early morning call, which came with repeated follow-up attempts, suggests the scammer operates across varied time zones or uses automated dialling systems without geographical constraints.
The mobile service provider allocation (Pivotel Satellite) for 04 8583 8546 is notable, as satellite services are sometimes used to obscure caller origin or maintain anonymity. All three contributors took calls from this number before blocking or terminating contact, indicating the scammer successfully connected rather than relying purely on voicemail or silent call tactics.
What to Do If You Receive a Call from 04 8583 8546
If 04 8583 8546 calls you:
- Do not: Provide personal information, account details, passwords, or verification codes. Do not confirm your name, address, or email address even if the caller already mentions them.
- Do not: Return the call if it disconnects. Scammers sometimes use callback scams where returning the call connects you to premium or fraudulent services.
- Do: Hang up immediately and verify directly with Coinbase by calling their official support number from their website (coinbase.com). Never use contact details provided by the caller.
- Do: Block the number 0485838546 after the first call to prevent repeated contact.
- Do: If they claim your account is compromised, log into your actual Coinbase account independently using a known device and secure connection. Legitimate companies do not call you first about account breaches.
How to Report 04 8583 8546
Report this number and your experience to Australian authorities:
- Scamwatch (scamwatch.gov.au) - Lodge a report describing the impersonation attempt and any information requested
- ACMA (acma.gov.au) - File a complaint about the unwanted call. ACMA monitors patterns and can take action against repeat offenders.
- ReportCyber (cyber.gov.au) - If personal information or credentials were compromised, report the incident for tracking in national cybercrime databases.
- Reverseau - Add your own report about 04 8583 8546 to help other Australians identify this scam. Community contributions build awareness and help others protect themselves.
If you provided any information to this caller, monitor your Coinbase account (if you have one) and consider enabling two-factor authentication across all cryptocurrency and financial accounts. Watch for unusual account activity or follow-up contact from fake support services.
Help others by sharing your experience with 0485 838 546!
WRITE A REVIEWRatings Distribution
What Our Users Reviewed
Pretended to be from a crypto exchange and knew my details, confirmed as a scammer
Called today about Coinbase, didn't like the response given
Scammer said Coinbase got hacked citing old email, don't have account, called repeatedly until blocked
Scammer claiming there's a problem with my Coinbase account
Help others by sharing your experience with 0485 838 546!
WRITE A REVIEWFrequently Asked Questions
Should I call Coinbase back if 04 8583 8546 claims my account was hacked?
No. Do not call back any number provided by the caller from 04 8583 8546 or 0485838546. Instead, go directly to Coinbase.com and log in independently using your saved password. If there is a genuine security issue, Coinbase will notify you within your account dashboard. Contacting support through numbers given by the caller will connect you to the scammer's accomplices, not real Coinbase staff.
Why would a scammer call about Coinbase if I don't have an account?
Scammers using numbers like 0485838546 often work from lists of compromised contact information or publicly available phone numbers. They make broad calls about various services, hoping some recipients have those accounts. When someone responds positively (even with hesitation), they escalate the impersonation. The scammer who called from 04 8583 8546 referenced an old email address, suggesting they were working from a data breach or purchased list.
What if the caller from 04 8583 8546 mentioned my real email address or personal details?
This indicates your information is part of a compromised dataset, but it does not validate the caller's claims. Scammers using 0485838546 can reference real details to appear credible. Hang up immediately without confirming or providing additional information. Do not assume the caller has access to your Coinbase account just because they mentioned an old email. Change your passwords on Coinbase and other financial platforms via direct login, not through calls from 04 8583 8546.
How many times has 04 8583 8546 been reported?
Three contributors have reported scam calls from 04 8583 8546 (0485838546), all describing Coinbase impersonation attempts. One report specifically mentions the caller from 0485838546 continued calling repeatedly until blocked. If you receive calls from this number, you are encountering an active scam that has targeted multiple Australians.
Is 04 8583 8546 a legitimate Coinbase number?
No. Coinbase's official support channels are listed on their website. Calls from 04 8583 8546 claiming to be Coinbase are scams. The mobile service provider for 0485838546 is Pivotel Satellite, not Coinbase. Do not assume any unsolicited call about your Coinbase account is legitimate, regardless of the caller ID displayed. Genuine financial institutions do not initiate contact about account breaches via cold calls.
What should I do if I already gave information to the caller from 0485838546?
If you provided personal details, email, or account information to 04 8583 8546, change your Coinbase password immediately (if you have an account) and enable two-factor authentication. Monitor your account for unauthorised activity. If you shared financial or banking details, contact your bank directly. Report the call to Scamwatch (scamwatch.gov.au) and ACMA (acma.gov.au) with details of what information was requested. Consider reporting to cyber.gov.au if any credentials were compromised.