03 9001 8377 - 0390018377: Telstra Impersonation Tech Support Scam

• Uncertain
• Suspicious
• Scam

Community reports for 03 9001 8377 (0390018377): Callers impersonate Telstra, claim DNS/network issues, and attempt remote access scams.

Telstra Impersonation Tech Support Scam Reports for 03 9001 8377

Community reports indicate that 03 9001 8377 (also written as 0390018377) is being used for tech support impersonation scams targeting Telstra customers. One contributor who answered a call from 03 9001 8377 reported the caller claimed to represent Telstra and described a supposed DNS or network connection issue affecting their account. This is a classic tech support scam opening designed to create urgency and establish false legitimacy.

The allocation data shows 0390018377 is registered as a local service in Victoria through Symbio Networks, which adds to the deceptive appearance. Scammers exploit legitimate provider identities to lower victims' guard and request remote access to devices, where they can install malware, steal banking credentials, or manipulate system settings.

What Callers from 03 9001 8377 Claim

According to the contributor who took the call, the person claiming to call from 03 9001 8377 specifically mentioned DNS or network connection problems. This phrasing is typical of tech support scams because DNS issues are technical enough to sound credible to many users, yet vague enough to apply broadly. Callers using this tactic typically follow up by offering to "fix" the issue remotely, which requires the victim to download software or grant remote desktop access.

One report also noted a similar number variation with a different last digit, suggesting a pattern of related scam operations cycling through similar phone numbers to evade blocking and reporting.

Report Patterns and Timing

The two reports covering 0390018377 span different interaction types. One contributor answered the call from 03 9001 8377 directly and identified it as suspicious immediately, while another report came from a missed call. This mixed pattern suggests the scammers are using both answered calls and persistence callbacks to reach victims. The report dating from March 2025 followed by a July 2026 report indicates this number has been active in scam operations across multiple seasons.

What to Do If You Receive a Call from 03 9001 8377

If 03 9001 8377 calls you:

• Do not: Allow remote access to your device, grant permission for screen sharing, or download any software the caller suggests
• Do not: Provide personal details, bank account information, passwords, or security codes
• Do not: Return the call if you miss it from 0390018377
• Do: Hang up immediately if the caller claims to be from Telstra or another service provider you don't recognise
• Do: Contact Telstra directly using the phone number on your bill or from their official website to verify any account issues
• Do: Block 03 9001 8377 in your phone settings to prevent future calls

How to Report 03 9001 8377

If you receive a suspicious call from 0390018377, report it to Australian authorities and help protect other community members:

• Report to Scamwatch at scamwatch.gov.au with details of the call, the claims made, and any information requested
• Report to the Australian Communications and Media Authority (ACMA) at acma.gov.au - ACMA investigates telemarketing breaches and scam number patterns
• If the caller requested remote access or you provided any information, report to ReportCyber at cyber.gov.au
• If banking information was compromised, also notify your bank and the Australian Transaction Reports and Analysis Centre (AUSTRAC)
• Add your experience to Reverseau by contributing a report about 03 9001 8377 - community data helps identify emerging scam patterns

Frequently Asked Questions