You can't? I pay $5/month for 200 texts. If I could no longer receive them from iPhone users, I could say Apple owes me the full $5, or the percentage of my friends who were on iPhones during the period. If I knew the lottery was trying to send me an announcement that I won $1M, I do not think I could claim that, as no message has guaranteed delivery.
But, I feel like you would have to go after your service provider, no? They're the ones that actually facilitate the texts to your device.