Certain extensions are reserved and cannot be assigned to users.

Currently, the reserved extensions are:

  • 211 - Health and Human Services
  • 311 - Government and non Emergency Information*
  • 411 - Directory Assistance
  • 511 - Traffic & Weather
  • 711 - Telecommunication Relay Service
  • 811 - Call Before You Dig
  • 911 - Emergency services.
  • 990-999 - Intermedia Unite services.
    • 990 - Echo test number.
    • 999 - Access to Conference Bridges.