Emergency numbers as extensions

Nextiva currently reserves certain blocks of numbers to be used as extensions to prevent accidental dialing of emergency or other reserved services. These numbers are used for special services such as police, ambulance, and firefighters. 

Below is a list of the numbers that cannot be used as extensions:

  • 00
  • 011
  • 0112
  • 112 
  • 211
  • 311
  • 0311
  • 1311
  • 411
  • 0411
  • 1411
  • 511
  • 611
  • 0611
  • 1611
  • 711
  • 811
  • 911
  • 0911
  • 1911 
  • 988
  • 999
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