Oh Sprint... I thought you were different. I was wrong
Voice/Data Usage Limitation: Sprint reserves the right, without notice, to limit throughput speeds, and to deny, terminate, modify, disconnect or suspend service if off-network usage in a month exceeds: (1) voice: 800 min. or a majority of minutes; or (2) data: 300 megabytes or a majority of kilobytes. Prohibited network use rules apply. See sprint.com/termsandconditions for specific prohibited uses. 1,024 KB equal 1 MB. 1,024 MB equal 1 GB.
But that's roaming.
If you're in that kind of area, then you ought to look at other plans.