0421 603 198 - 0421603198: Nuisance Call Reports

• Suspicious

One community report for 0421 603 198 (0421603198) - persistent calls with no voicemail left. Optus mobile number.

Nuisance Call Reports for 0421 603 198

A contributor has reported receiving persistent calls from 0421 603 198 (also written as 0421603198) without any voicemail message left behind. The Optus mobile number appears to be used for repeated contact attempts, which the contributor describes as a genuine nuisance.

The behaviour pattern - calling repeatedly but refusing to leave a message - is a common tactic used by various callers ranging from debt collectors and telemarketers to persistent scammers testing whether a number is active. The lack of voicemail makes it impossible for the recipient to understand the caller's intent.

Call Pattern for 0421 603 198

The contributor reported receiving multiple calls from 0421603198 over time. Each call goes unanswered without the caller bothering to leave any message, suggesting either automated dialling systems or deliberate avoidance of explaining the purpose of contact.

This pattern is particularly frustrating because it prevents the recipient from taking action - you cannot return a call to understand what is wanted, nor can you provide information or resolve any genuine issue the caller might have.

What to Do If You Receive a Call from 0421 603 198

If 0421 603 198 continues to call you:

• Do not: Answer calls from unknown numbers, return the call, or engage with the caller
• Do: Let calls go to voicemail, check if a message was left, and block the number if calls persist
• Consider: Using your phone's native blocking features or contacting your provider (Optus) to investigate repeated contact from this mobile number

If the calls are from a legitimate organisation trying to reach you, they should leave a voicemail explaining who they are and what they need. Persistent silent calling is a strong indicator the caller does not want a genuine conversation.

How to Report 0421 603 198

If you receive unwanted repeated calls from 0421 603 198 (0421603198), you can take the following actions:

• Register your number with the Australian Do Not Call Register at donotcall.gov.au if you wish to opt out of telemarketing calls
• Report the number to the Australian Communications and Media Authority (ACMA) at acma.gov.au if the calls breach telemarketing or Do Not Call rules
• Contact Optus directly to report the mobile number for harassment or misuse of their network
• Contribute your experience to Reverseau to help other Australians identify this number

Frequently Asked Questions