Releasing Twilio Numbers

release_them.rb

# The numbers will be pulled in groups of 50, so if you 
# have more than 50 numbers then you'll have to run this
# script more than once.
require 'twilio-ruby'

# Get your Account Sid and Auth Token from twilio.com/user/account
account_sid = ENV['TWILIO_ACCOUNT_SID']
auth_token  = ENV['TWILIO_AUTH_TOKEN']

client = Twilio::REST::Client.new(account_sid, auth_token)

# A delightful explanation can be found here:
# https://www.twilio.com/docs/api/rest/incoming-phone-numbers#list-post
client.account.incoming_phone_numbers.list.each do |number|
  # Tracking which numbers will be released
  p number.phone_number
  
  # Release your twilio number
  number.delete
end