ExchangeInfo PLUS is a comprehensive telecommunications infrastructure database
that contains geographic and industry data on Wire Center boundaries, and
Central Office and wireless switch locations. Wire Centers are the basic unit
of geography for the telecommunications industry in the United States. They
describe the organization of the local telephone exchange system. Each Wire
Center serves a unique set of telephone numbers within a fixed geographic area.
ExchangeInfo PLUS is built using over 50 million addresses, telephone tariff
data, and MapInfo's proprietary technology and processes. It includes every
Wire Center in the United States (over 22,000), graphically displaying their
MapInfo's core telecom infrastructure database, ExchangeInfo PLUS is updated on
a monthly basis, to make sure it contains the most accurate, timely telecom
infrastrcuture data available.
ExchangeInfo PLUS is currently scaled to 1:24,000 using the latitude/longitude
coordinate system and NAD 83 datum.
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