网页2024年10月3日 · Here are the best prepaid phone plans from AT&T, T-Mobile, and Verizon for under $100/month: Best AT&T prepaid plan: AT&T Prepaid $65 Plan. $65/month. Unlimited talk text, and data. Service in Canada and Mexico. SD video streaming. Best T-Mobile prepaid plan: Simply Prepaid. $50/month.