0400 797 021
0400797021 0400-797-021 +61400797021
Community spam and scam reports for 0400 797 021: 1 report from Australian users, last reported 19 Apr 2026.
Mixed signals
Opinions are split on this caller — read the reports below.
Unable to summarize: insufficient data. Only one report received with "not_sure" classification providing no descriptive information about call behavior.
Across 04 (Mobile) on Phony, 2137 numbers have community reports and 85% lean spam — most often described as scam calls.
How would you classify this call?
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No additional details.
How to block 0400 797 021
If 0400 797 021 keeps calling and you'd rather not hear from them again, here's how to block it on the most common Australian devices and services. Tap a section to expand.
On iPhone
- Open Phone → Recents.
- Tap the (i) icon next to 0400 797 021.
- Scroll to the bottom and tap Block this Caller.
- Confirm Block Contact.
Blocked calls go straight to voicemail and SMS from the same number is silently dropped.
On Android
- Open Phone → Recents.
- Long-press 0400 797 021 (or tap it and choose Details).
- Choose Block / report spam.
- Confirm Block.
Wording varies between Samsung One UI, Google Pixel and Xiaomi MIUI, but every modern Android dialler has the option under the recent call's menu.
Network & regulatory
- Most Australian carriers (Telstra, Optus, Vodafone, TPG) can add nuisance numbers to a network-level block list. Call their support line and ask.
- NBN VoIP providers (Aussie Broadband, Superloop, MyRepublic, etc.) usually let you block per-number from your account portal.
- Register on the Do Not Call Register. Telemarketers are legally barred from calling registered numbers.
- Report scam calls to Scamwatch and the ACMA.
If 0400 797 021 claimed to be from your bank, the ATO or Australia Post, treat it as suspicious until you verify by calling the official number on that organisation's website.