In the US, a Basic Trading Area is a geographic region defined originally in the

Rand McNally Rand McNally is an American technology and publishing company that provides mapping, software and hardware for consumer electronics, commercial transportation and education markets. The company is headquartered in Chicago, with a distribution c ...

Commercial Atlas and Marketing Guide and used by the FCC where a Personal Communications Service can operate. It consists of the counties surrounding a city designated as the basic trading center. *Source: *Note: The Major Trading Area (MTA) numbers in this table are based on alphabetical sorting, rather than population.

References

{{Reflist Federal Communications Commission Mobile technology Telecommunications in the United States