Phone number

Who called from 02 9899 4001?

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Community verdict

Listed business

02 9899 4001 is listed for Olsen Infrastructure in a public business directory. Nobody has rated it yet.

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Engineering service

10 Gladstone Rd #14, Castle Hill, NSW 2154, AU

(02) 9899 4001

Primary - suggested

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If 02 9899 4001 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 02 9899 4001.
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 02 9899 4001, 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.