Prefix 04 21 Phone Numbers

This directory contains phone numbers beginning with 04. Australian phone numbers follow a structured format where the prefix indicates the type of service or geographic region. By browsing numbers within this prefix, you can quickly identify patterns in reported scam activity and understand which number ranges are commonly associated with unwanted calls.

Our community members actively report suspicious calls, enabling others to make informed decisions when receiving calls from unfamiliar numbers. If you've received a call from any number in this range, consider checking our reports or contributing your own experience to help fellow Australians stay protected.