Common use of Telephone Line Number Calling Cards Clause in Contracts

Telephone Line Number Calling Cards. Upon request by an AT&T Customer or by AT&T on behalf of an AT&T Customer, and effective as of the date of an end user's subscription to AT&T service (or such later date as such request is received), GTE will remove any GTE-assigned telephone line calling card number (including area code) ("TLN") from GTE's LIDB. AT&T may issue a new telephone calling card to such customer, utilizing the same TLN, and AT&T shall have the right to enter such TLN in AT&T's LIDB for calling card validation purposes.