Stay connected with AT&T in Cerritos. We offer phones, tablets, smartwatches, and connected devices from all of your favorite brands. We also offer wireless data plans in Cerritos for every need. Enjoy the flexibility of an Cerritos prepaid phone plan—with no annual contract and no credit check. Get unlimited text and data with AT&T UNLIMITED ELITE, which includes HBO Max™. Get nationwide AT&T 5G service, which comes with all of our unlimited data plans for no extra cost. With all of the time many of us spend online, we expect a lot from our Cerritos internet service. That's why you need fast, reliable internet from AT&T.