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 Champney Associates
 2502 Pinoak Lane
 Reston, VA 20191



Exchange Info Plus

MapInfoĈ ExchangeInfo PLUS describes the organization of the local telephone exchange system and contains detailed infrastructure data.

Calling Area Info

MapInfoĈ CallingAreaInfoTM software maps the local calling plans available when calling out from, or into a location.


Coverage areas of Competitive Local Exchange Carriers

LEC Info

The ownership layout of the franchise territories of Local Exchange Carriers (LEC).


Map database of U.S. cellular telephone markets

PCS Info

Map database of Personal Communications Services (PCS) markets


Public safety answering point database.

Rate Center Info

Precise geographic Rate Center boundaries.

Wireless Info

Company coverage maps of leading PCS, Paging and SMR providers in the United States.