But Obama aides said that they were notified on Thursday that the subject Verizon cellphone said to belong to Obama was "no longer in use" and that "no voice or e-mails were listened to or read".
Verizon Wireless President and Chief Executive Lowell McAdam apologized to Obama in a statement.
"All employees who have accessed the account – whether authorized or not – have been put on immediate leave, with pay. As the circumstances of each individual employee’s access to the account are determined, the company will take appropriate actions. Employees with legitimate business needs for access will be returned to their positions, while employees who have accessed the account improperly and without legitimate business justification will face appropriate disciplinary action," said McAdam.
Based in New Jersey, Verizon claims to have over 70 million subscribers.