The carrier added 324,000 mobile-phone customers in the first three months of the year, beating Wall Street projections.

Citi and AT&T are offering holders of a new card the opportunity to buy a mobile phone and be reimbursed for the cost, targeting fans of both smartphones and online shopping. With the new AT&T ...

AT&T Inc. and Verizon Communications Inc., two of the biggest wireless carriers in the US, said they won’t absorb any ...