(603) 803-5742 is a Robocall
Be cautious.
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- Date Blocked
- Call Activity Severe Last detected 9 hours ago

Just last week, 8,271 people got Nomorobo protection!

Great service and it works without a hitch.
— Ken S, Nov 29th, 9:57am
This system works, and quickly. Thanks for the relief.
— L. C, Nov 29th, 10:00am
Love it. It has stopped all those annoying calls.
— Linda N, Nov 29th, 10:13am
I have had it for a long time and I can't tell that it's done anything. I still get up to ten robocalls a day.
— Walt H, Nov 29th, 10:27am

it seems to work seamlessly and it seems to do its one job quite well--which is all i want it to do.
— Frank C, Nov 29th, 10:28am
NOMOROBO has done a splendid job of blocking these idiots even when they spoof numbers. They are relentless! I have thanked you in the past and again expressing my appreciation for this service. When these calls get through by spoofing numbers we report them and you block them until they start using another number. The credit card people actually spoofed my own phone number as their identity to get me to pick up. I get 4 or 5 calls per day that NOMOROBO blocks at an 80% or better rate.
— Robert F, Nov 29th, 10:44am
Great stops annoying calls.
— James B, Nov 29th, 11:11am
Fantastic! wish I knew how to tell friends and family to apply. Best thing ever!!!
— Cecilia, Nov 29th, 11:31am