 Switch your cell phone service to America's most dependable 5G network with Pure Talk before the 4th of July weekend, and you'll be helping support veterans in need all across the country. Just dial pound 250, say the keywords Clay and Buck, and you'll be connected to Pure Talk's U.S. customer service team for superior cell phone service that's half the price of Verizon, AT&T, or T-Mobile, and to help a vet in need. That's pound 250, say the keywords Clay and Buck.