How far will a cop go 2 finding u for prank calling? "Call Harrasment"?

hey mii ppls. just wondering, ive heard bout call harrasment many times be4. Is it true u can like go 2 jail? Oh wow. How do they track ur phone?? If u get caught how long will they be calling u? Can u get arrested??? wOw so many questions oh well. thanx:] byebye