I suddenly lost signal on my phone. What happened?!?

I have a Cingular/AT%26T phone and plan.

Ok, I had FULL signal in my house(I always do. I get all of my bars just about anywhere) about 30 minutes ago. I put my cell phone down by the computer, went and took a nap. Nobody touched my phone or anything. And when I got up, I had lost ALL of my signal. I walked all over the house, and all over the yard to get signal, but it still said "No Service"

I paid my bill on time, nobody spilled anything on it, it didnt hit the floor, it just completely lost signal for no reason...

What could%26#39;ve happened and what can I do?!

Answers:

turn it off and take off the battery.

something interfered with the signal and u just need to reconnect.

if it was something with the tower, when u powercycle, it will search for the strongest signal and try to reconnect immediately.

if not tho, call ur service provider bec something might be goin on with ur acct that u dont know about. Try rebooting your phone. Turn it off and on again. There is probably a fault at your local cell (transmitter). This does happen from time to time. Such faults are usually fixed overnight. If there is no other adjacent cell within range, your phone will report "no signal".

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