• Authorized In-state Telecommunications Providers

  
  

• Department's Residential Billing & Termination Rules 

  DPU 18448
  
  

• FCC Consumer Information

  
  

• Local Residential Telephone Service Providers 

  
  

• MA Area Code Map

  
  

• MA Slamming Information

  
  

• Recording of Telephone Conversations

  M.G.L. c. 272, § 99.
  
  

• Telemarketing/Do Not Call

  
  

• Internet Relay Calls Fraud Advisory

  
  

• VoIP - Internet Based Telephone Service

  
  

• Lifeline - What Consumers Should Know