NEVER NEVER NEVER use the word "suspend" ALWAYS ALWAYS ALWAYS use the term " disconnect " or " cancel my service " . If you use the word suspend they will put your account on pause and bill you a $5 monthly fee to maintain the account. If you truly have Pay-AS-You-Go. Just don't pay the next months bill, the account will cancel automtically.
A way to tell if your account is truly Pay-AS-You-Go are you billed a monthly receiver fee or did you have to buy your receivers upfront before getting the service. If you bought your receivers then your account should be Pay-AS-You-Go.