It is marginally smaller, and by that I mean, maybe 10% smaller area than postpaid. Most people won't see the difference on the map.
I think we were both thrown off by the syntax. I read, "Is messaging good on prepaid" they meant, "Is the feature/app called Good Messaging available...."
Yes. If it had said -Is Good for Enterprise available on Pre-paid?- we might have been able to give the correct answer.