6083716666

Called and, surprisingly, left a message.  Said "This is Jan calling from Sperian Energy about a warning released by the Public Utilities Commission."  It concerned electric bills and she left an 800 number to call back.  To anyone who doesn't know, PA residents have a choice of electric suppliers.  Have for years.  This is a telemarketing scare tactic call from an energy company trying to get you to switch to them.  Rather than calling them, go onto the PUC website at: http://www.puc.state.pa.us/consumer_info/electricity/suppliers_list.aspx for a list of the bazillion companies that are trying to get your business.

Double call like others have noted.  The initial call was blocked by NOMOROWBO but then call from 608-371-6666 that made it through the screening.  Rang through to answering machine, but no message. I'll block this one from home phone.

Geez , lost count on the rings and tries to get past my blocks (phone and nomorobo) .

Phone rang once (blocked) , rang again with the 608-371-6666 multiple times . They called back directly after that again with a different ( but previously blocked number) 951-729-4347 phone ID OUT-OF-AREA , that seemed to be a marketing thing for solar energy . Phone finally quit ringing after those many multiple tries (and blocks) .

Call was blocked by my free call blocker.

This number is also used by Dell Customer Service.

Yhen WHY does it say
Card Services?

My original post was in error and it was too late to edit it after I found out what the number actually is.  This is the number subscribers using No Mo Ro Bo can call to report a robocall that was not blocked by the service.  It is also the number that appears on caller ID if you receive two calls in rapid succession. It seems the slight delay caused by the simultaneous ring feature the service uses to screen calls for you causes their number to be displayed for the 2nd call.  If your caller ID showed Card Services with this number then the criminals behind that scam are spoofing the No Mo Ro Bo reporting number to attack the service.

Windows Technical Support - scam to get me to infect my computer.
I strung them along, then asked them to tell me the IP-address of my affected computer, and if they couldn't, they were lying.
Had to say that 3 times before they hung up on me.
India accent, other conversations in the background.

Received a call from 608-371-6666.   Caller id said '16083716666'.  I never answer calls from numbers I don't know, but I did search for the number and found that it is the number you can use to report robocallers to the nomorobo service.  This call came immediately (seconds) after a call that was blocked by nomorobo.  So, like others in this thread have speculated, I'm thinking it's an attempt by someone who is being blocked by nomorobo to get around their service.  

Looks like 2 new variations are being tested by the bad guys.

1.) They are using the NoMoRobo number, either to bypass NoMoRobo or to damage their reputation.

2.) First call comes in. It is blocked. A second call, from a different Caller ID, comes in immediately. If they think this will bypass NoMoRobo or a call blocker, it is not working. Maybe it is a test to see who is using NoMoRobo or a call blocker? I've received several of these in the last week, usually the first Caller ID shows "Arbitron". The second varies.

The fallacy here is that the Nomorobo service uses a toll-free number and that they DO NOT "challenge" the incoming call. If the call is in their database, it is blocked.

Maybe multiple calls more or less at the same time could overwhelm their system but that should be very obvious and the phone carrier should be held responsible for illegal calls (in great numbers) being made through their system.

No, it's not. But you already know that.

Same experience as others. Got a call from Arbitron which NomoRobo rejected. Then within the same minute got a call from 608-371-6666. Here's my take on what's happening with that number:

1) Someone calls my number
2) NomoRobo intercepts and presents caller with opportunity to authenticate that they're human
3) Caller successfully passes human test (either legitimate human or robocall quickly transferred to a human)
4) NomoRobo then transfers the call to your number from the 608 number.

Tell your cousin to unblock his caller ID (*82) before calling you.  NOMOROBO challenges every "unknown caller ID" call for robo callers and if your cousin responds correctly, NOMOROBO calls you using this number 608-371-6666.

Called 3 times today.    First they call from 516-307-0273 which I have blocked.  Phone rings again immediately from this number.  I will have to block it.

Call from 917-460-4116 rang once. I'm guessing Nomorobo stopped it. Mere seconds later a call from 608-371-6666 came through, left a long message: heavy accent, very hard to understand but said the call was for my husband (by name), IRS officer needed to talk with him immediately (scam), referenced the callback # as the one Nomorobo cut off.

I'd like to block 608-371-6666 but don't want to miss legitimate calls; someone on this forum mentioned Nomorobo reroutes legit calls with this CID #. I'd be grateful for any advice.

this number is a code used by callers to get through NoMoRobo. Explains a lot. NoMoRobo has some work to do.

it is a code used to get around no mo robo

Whats up with the sudden moderation of comments the last few days?

I got the same call 608-3761-6666 but never answer it. If I don't recognize an area code I don't answer it. If caller ID has no name attached? I don't answer it. What I do is go to the AT&T website and either block them from future calls....or forward their number to the Attorney Generals number in East Lansing Mi. Let them answer scams and annoying telemarketers.

As above, first there was an "Unknown Name" call, with only the number "1" instead of a valid number.  This was immediately followed by the 608-371-6666.  The man said he was conducting some sort of investigation, and was looking for the woman we bought our house from a decade ago (he asked for her by name).  When I told him the situation, he said that of the two addresses for her in this city he hadn't known at which one she might be living.  Thanked me for my time, didn't fish for any information about me - not even my name.  Odd call.