There's some alternatives to text messages for 2-step authentication:
1) For staff and faculty - we provide USB Smartkeys - you can visit our front desk to pick one up.
2) If you have an android phone, you can use Google Prompt, which just needs wifi:
If you have an Iphone, you can use Google Prompt, which just needs wifi:
3) and you can do what I do - print your backup codes and keep them someplace safe like your wallet: