Phone number

Who called from 03 9478 3399?

Name: Optus
Address: Melbourne, AU
Telephone: +61394783399

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Community verdict

Listed business

03 9478 3399 is listed for Optus in a public business directory. Nobody has rated it yet.

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Telecommunications company

NAB, 2-50 Murray Rd, Melbourne, VIC 3072, AU

+61394783399

Primary - suggested

No user details have been submitted yet.

If 03 9478 3399 keeps calling, here is how to block it on common Australian devices and services. Tap a section to expand.

On iPhone

Open the Phone app and tap Recents.
Tap the info (i) button next to 03 9478 3399.
Scroll down and tap Block this Caller, then confirm with Block Contact.
To screen every unknown caller, go to Settings > Apps > Phone and turn on Silence Unknown Callers.

On Android

Open the Phone app and go to Recents (or Call history).
Tap and hold 03 9478 3399, or tap it and open the three-dot menu.
Choose Block / report spam and confirm.
In Phone settings, turn on Caller ID & spam protection to flag likely spam calls automatically.