title: Twilio says I don't have permission to send to the region of my 'To' number
body: <p>I am trying to send a simple SMS and have been doing so for over a year with my app. All of a sudden, on my staging and local environment (prod is fine), I keep getting this error:</p>
  
  <pre><code>Twilio::REST::RequestError: Permission to send an SMS has not been enabled for the region indicated by the 'To' number: '+13105551234'
  </code></pre>
  
  <p>Both numbers are local California numbers and I have the US enabled on my account. I changed the numbers to 5551234 for this SOF post but they are both valid numbers (the from number is my twilio number and the to number is my personal cell phone.</p>
  
  <pre><code>client.account.messages.create(body: 'hello', to: '+13105551234', from: '+15105551234')
  </code></pre>
  
  <p>What could be causing this error? </p>
  
  <p>EDIT: I should mention it worked when I sent an SMS to my friend's phone and then when I tried a second time to his number, it gave me the same error.</p>