It's more or less required for cell phone service. They need to know what cell you are in order to connect incoming calls. Besides if you're using AT&T you're

It's more or less required for cell phone service. They need to know what cell you are in order to connect incoming calls. Besides if you're using AT&T you're either ignorant or unconcerned about privacy. They have looong history going back to the Clipper chip, PATRIOT act era wiretaps, of "selling out" their customers.