Abbreviated Dialing

Telecommunications customers in Michigan can dial the following abbreviated numbers to connect to important information sources: 

• 2-1-1   Non-emergency community/human services
• 3-1-1   Non-emergency government services (community specific)
• 7-1-1   Michigan Relay Center for the deaf and hard-of-hearing
• 8-1-1   Underground utility line location (MISSDIG)
• 9-1-1   Emergency services

9-1-1 Information

• Michigan Department of Treasury 9-1-1 Remittance Forms
• 9-1-1 Charges by County - Effective July 1, 2011
• Michigan State 9-1-1 Committee
• Emergency 9-1-1 Service Enabling Act 
• 9-1-1 Rulemakings
  • Multiline Telephone System Rulemaking
  • Training Standards Rulemaking

Area Code Information

• 517/989 Area Code Map
• 810/586 Area Code Map
• 248/947 Area Code Map
• 616/269 Area Code Map
• 313/734/679 Area Code Map
• Area Code Implementation Schedule