
When I first started using cell phones, roaming was a pretty easy concept. If you were in your cellular provider's local service area, near home, you weren't roaming. If you were out of town, sometimes even in your own state, you probably were roaming, often with a daily or monthly charge plus a per-minute charge, typically 99 cents per minute.
Roaming across the United States got simpler fast with the advent of national calling plans from the major cellular carriers, so these ...

