Here are a few top call blocking apps and services to help reduce RoboCalls
For a more extensive list of call blocking apps, see also:  
http://www.ctia.org/consumer-tips/robocalls/android-robocall-blocking

Other helpful links:
FCC:
https://www.consumer.ftc.gov/scam-alerts
https://www.fcc.gov/consumers/unwanted-calls
https://www.fcc.gov/general/complaints

National Do Not Call registry "Do Not Call" . Registering your number will reduce telemarketing calls from legitimate companies.
 
Better Business Bureau:  https://www.bbb.org/scamtracker/usa  (enter “Robo calls” or “telemarketing” in keyword search  
  
Consumers union:  https://consumersunion.org/end-robocalls/
    
AARP:  http://blog.aarp.org/tag/robocalls/     http://www.aarp.org/about-aarp/contact-us/

Charity Navigator:  https://www.charitynavigator.org/index.cfm?bay=content.view&cpid=224
 
Consumer Watchdog: http://www.consumerwatchdog.org/
 
Fraud.org    http://www.fraud.org/



ATTORNEYS GENERAL
USA

AL
Luther Strange (R)
http://www.ago.state.al.us/Page-Consumer-Protection-File-a-Complaint

AK
Craig Richards (R)
http://www.law.alaska.gov/department/civil/consumer/cp_complaint.html

AZ
Mark Brnovich (R)
https://www.azag.gov/complaints

AR
Leslie Rutledge (R)
http://www.ag.arkansas.gov/file-a-consumer-complaint/

CA
Kamala Harris (D)
https://oag.ca.gov/contact/general-comment-question-or-complaint-form

CO
Cynthia Coffman (R)
http://coag.gov/file-complaint

CT
George Jepsen (D)
http://www.ct.gov/ag/cwp/view.asp?a=2093&q=555702

DE
Matthew Denn (D)
http://attorneygeneral.delaware.gov/fraud/cpu/complaint.shtml

FL
Pam Bondi (R)
http://myfloridalegal.com/pages.nsf/Main/60FD9BD8FA71A5B185256CD1005EE5C5

GA
Sam Olens (R)
http://consumer.georgia.gov/consumer-services/filing-a-complaint

HI
Doug Chin (D)
http://ag.hawaii.gov/contact-us/

ID
Lawrence Wasden (R)
http://www.ag.idaho.gov/consumerProtection/forms/ComplaintFormInformation.html

IL
Lisa Madigan (D)
http://www.illinoisattorneygeneral.gov/consumers/filecomplaint.html

IN
Greg Zoeller (R)
http://www.in.gov/attorneygeneral/2434.htm

IA
Tom Miller (D)
https://www.iowaattorneygeneral.gov/for-consumers/file-a-consumer-complaint/

KS
Derek Schmidt (R)
http://ag.ks.gov/file-a-complaint

KY
Andy Beshear (D)
http://ag.ky.gov/family/consumerprotection/complaints/Pages/default.aspx

LA
Jeff Landry (R)
https://www.ag.state.la.us/article.aspx?articleID=36&catID=15

ME
Janet Mills (D)
http://www.maine.gov/ag/consumer/complaints/

MD
Brian Frosh (D)
https://www.oag.state.md.us/Consumer/complaint.htm

MA
Maura Healey (D)
http://www.mass.gov/ago/consumer-resources/consumer-assistance/consumer-complaint.html

MI
Bill Schuette (R)
http://www.michigan.gov/ag/0,1607,7-164-17331---,00.html

MN
Lori Swanson (D)
http://www.ag.state.mn.us/Office/Complaint.asp

MS
Jim Hood (D)
http://www.ago.state.ms.us/forms/complaint-form/

MO
Chris Koster (D)
https://www.ago.mo.gov/file-a-complaint

MT
Tim Fox (R)
https://dojmt.gov/consumer/consumer-complaints/

NE
Doug Peterson (R)
https://ago.nebraska.gov/forms/consumer_complaint

NV
Adam Laxalt (R)
http://ag.nv.gov/Complaints/File_Complaint/

NH
Joseph Foster (D)
http://doj.nh.gov/consumer/complaints/

NJ
John Hoffman (R)*
http://www.njconsumeraffairs.gov/Pages/File-a-Complaint.aspx

NM
Hector Balderas (D)
http://doj.nh.gov/consumer/complaints/

NY
Eric Schneiderman (D)
http://www.ag.ny.gov/consumer-frauds/Filing-a-Consumer-Complaint

NC
Roy Cooper (D)
http://www.ncdoj.gov/complaint.aspx

ND
Wayne Stenehjem (R)
https://www.ag.nd.gov/

OH
Mike DeWine (R)
http://www.ohioattorneygeneral.gov/consumercomplaint

OK
Scott Pruitt (R)
https://www.oag.ok.gov/oagweb.nsf/complaint.html

OR
Ellen Rosenblum (D)
http://www.doj.state.or.us/consumer/Pages/hotline.aspx

PA
Kathleen Kane (D)
https://www.attorneygeneral.gov/SplashPage.aspx

RI
Peter Kilmartin (D)
http://www.riag.ri.gov/ConsumerProtection/About.php#

SC
Alan Wilson (R)
http://www.consumer.sc.gov/consumer/ComplaintInstructions/Pages/default.aspx

SD
Marty Jackley (R)
http://atg.sd.gov/Consumers/HandlingComplaints/SubmittingaComplaint.aspx

TN
Herbert Slatery (R)
http://attorneygeneral.tn.gov/cpro/filecomplaint.html

TX
Ken Paxton (R)
https://texasattorneygeneral.gov/cpd/file-a-consumer-complaint

UT
Sean Reyes (R)
http://consumerprotection.utah.gov/complaints/manual.html

VT
William Sorrell (D)
http://www.atg.state.vt.us/

VA
Mark Herring (D)
http://ag.virginia.gov/ContactUsForm/ContactForm.aspx

WA
Bob Ferguson (D)
http://www.atg.wa.gov/file-complaint

WV
Patrick Morrisey (R)
http://www.ago.wv.gov/Pages/consumercomplaint.aspx

WI
Brad Schimel (R)
https://www.doj.state.wi.us/dls/consumer-protection/how-file-consumer-complaint

WY
Peter Michael (R)
http://ag.wyo.gov/cpu/consumer-complaints

DC
Karl Racine (D)
http://oag.dc.gov/service/submit-consumer-complaint