Sec.  64.4001   Definitions.

   Terms in this subpart have the following meanings:

   (a)  Automatic number identification (ANI) . The term automatic number
   identification  refers  to the delivery of the calling party's billing
   telephone number by a local exchange carrier to any interconnecting carrier
   for billing or routing purposes.

   (b) Billing name and address (BNA) . The term billing name and address means
   the name and address provided to a [LEC] by each of its local exchange
   customers to which the [LEC] directs bills for its services.

   (c) Customer . The term customer means the end user to whom a local exchange
   carrier or interexchange carrier is providing local exchange or telephone
   toll service.

   (d) Interexchange carrier (IXC) . The term interexchange carrier means a
   telephone company that provides telephone toll service. An interexchange
   carrier  does not include commercial mobile radio service providers as
   defined by federal law.

   (e) Local exchange carrier (LEC) . The term local exchange carrier means any
   person that is engaged in the provision of telephone exchange service or
   exchange access. Such term does not include a person insofar as such person
   is engaged in the provision of a commercial mobile service under  Sec. 332(c),
   except to the extent that the Commission finds that such service should be
   included in the definition of that term.

   (f) Preferred interexchange carrier (PIC) . The term preferred interexchange
   carrier means the carrier to which a customer chooses to be presubscribed
   for purposes of receiving intraLATA and/or interLATA and/or international
   toll services.