Specific geographic location used by LECs to determine interchange mileage for rate determination purposes. [The rate center for an exchange is generally a centrally located point within the exchange area.
Defined geographic point used by telephone companies in determining distance measurements for interLATA mileage rates.
The specific geographic point and corresponding geographic area that are associated with one or more particular NPA/NXX codes that have been assigned to a local exchange carrier for its provision of exchange services. The geographic point is identified by a specific coordinate that is used to calculate distance-sensitive end user traffic to/from the particular NPA/NXX associated with the specific Rate Center.
Specific geographic point used to determine mileage. Each location in the US is assigned to a specific point, a Rate Center, usually is a central point in a specific geographic area.
A geographically specified area used for determining mileage and/or usage dependent rates in the Public Switched Telephone Network
The geographic area used by local exchange carriers to set rate boundaries for billing and for issuing phone numbers.