(603) 803-5742 is a Robocall
Be cautious.
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- Date Blocked
- Call Activity Severe Last detected 6 hours ago

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

I love this app... Especially when I hear one ring and then silence! It always makes me smile and say to myself, "nomorobo strikes again."
— Joanne L, Nov 29th, 9:20am
I love Nomorobo! It has improved my families quality of life ten fold. I'm not longer stressed and overwhelmed by having to manage those unwanted robo calls. It is easy to setup and does all the work for you. I have recommended it to all my family and friends. Thank you Nomorobo!
— Sheila, Nov 29th, 9:27am
I think it has helped, but quite a few numbers (including Gallup) get through with a single ring, which is less annoying than talking to them, but very annoying, nonetheless because these callers tend to call every day. I suspect this has something to do with the fact that I use Vonage SimulRing to call my home and cell at the same time, but I'm not sure. I've learned that reporting a problem has no effect (but, heck, you're offering a free service, so ...), which I why I didn't bother.Of course, the 2014 political campaign season was still unbearable, and I don't look forward to 2016, but I think your service is a great help, and I appreciate it.
— Carol S, Nov 29th, 10:05am
I see how it has blocked some unwanted calls. I'm totally satisfied!
— Andrew K, Nov 29th, 10:31am

90% effective! Thank you. The phone may ring once, and we can ignore that.
— Chip S, Nov 29th, 11:04am
Love it, it stops about 10 calls a day. Saved us from just cancelling our home phone which is still considered.
— Frank P, Nov 29th, 11:36am
We have our phone life again,thank you !!
— Sherry B, Nov 29th, 11:55am
Great! We love to hear the 'no-mo-robo' sound of one, single ring. It makes us smile all over. If a call is not a nomorobo call, we wait until just after the third ring, picking up the receiver just before the fourth ring. Any unwanted callers usually hang up before the fourth ring. Makes life much better.Love it. Have mentioned it to countless people. Some of them however, can't seem to get it due to their provider (Xfinity I believe.) Hope that changes in the future. Will try the Beta as soon as possible.EDC
— Edward C, Nov 29th, 12:05pm