Today I received a call from this number, and since I have Suddenlink security monitoring, I was grateful for the alert that my alarm had gone off; I verified this through an email notification, and fortunately, it was just an issue with a motion sensor, but it could have been a more serious issue.
Why Suddenlink Home Security is calling your phone at 3 am!
Summary — +18002999900
Expert Opinion
Most reports point to the call coming from Suddenlink Home Security—a legitimate alarm‑monitoring service that alerts customers when a sensor trips. The timing (often early morning or late night) matches real‑time security alerts, not a sales pitch. Still, scammers sometimes spoof this number, so treat any request for personal or payment info as suspicious. If you have a Suddenlink system, check your app or email for the corresponding alert before calling back. If you don’t have an alarm, let the number go to voicemail and consider blocking it. In short: verify the alert through official channels and never give out credit‑card details over the phone.
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Caller Names
Details
Location: United States
Number type: ratings.phone_number_type_list.3
Rate this number — +18002999900
Recent Reports for (800) 299-9900
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Other
Rather than relying on others to mark this number as spam, it's the responsibility of the individual to take action against nuisance callers
This number should be flagged as spam, given that Sudden Link Home Security called twice at an unreasonable hour of 11:45 PM.
This number belongs to Suddenlink Home Security, which contacted me after our home's motion sensor was triggered.
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Company
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If you have a security system, its likely that this number is calling you.
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Unknown
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An early Sunday morning call was received from this number.
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