 800-884-8375. 800-884-8375. 800-884-8375. That's 800-884-8375. You've heard me say for a long time that cell phone service with Pure Talk can be about half the cost of Verizon, AT&T, or T-Mobile. You hear just $20 a month for unlimited talk, text plenty of data, and you might be thinking, well, what's the catch?