Card Number means the 16-digit number on the front of your Card.
Location Routing Number (LRN) means the ten (10) digit number that is assigned to the network switching elements (Central Office–Host and Remotes as required) for the routing of calls in the network. The first six (6) digits of the LRN will be one of the assigned NPA NXX of the switching element. The purpose and functionality of the last four (4) digits of the LRN have not yet been defined but are passed across the network to the terminating switch.
Location Routing Number or "LRN" means a unique ten- (10)-digit number assigned to a Central Office Switch in a defined geographic area for call routing purposes. This ten- (10)-digit number serves as a network address and the routing information is stored in a database. Switches routing calls to subscribers whose telephone numbers are in portable NXXs perform a database query to obtain the Location Routing Number that corresponds with the Switch serving the dialed telephone number. Based on the Location Routing Number, the querying Carrier then routes the call to the Switch serving the ported number. The term "LRN" may also be used to refer to a method of LNP. "Long Distance Service" (see "Interexchange Service").
Specified Number means the number of Public Sources specified in the applicable Terms or, if a number is not so specified, two.
Track Usage Price List means the document entitled "Track Usage Price List" published by Network Rail on or about 20 December 2018 which, for the purposes of this contract, shall be deemed to incorporate any supplements to that document consented to or determined pursuant to paragraph 2.2.10 of Schedule 7 to this contract or a freight track access contract previously held by the Train Operator;