You'll need your AT&T Wireless transfer PIN to keep your old number when switching from AT&T to another carrier. You don't need this number when you change your phone number with AT&T. This guide ...

Nida is a tech and telecom journalist with more than five years of writing experience. She graduated from the University of Toronto with a BA in journalism. AT&T is one of the largest and most popular ...

ATLANTA - Cingular Wireless, the nation's No. 2 mobile phone provider, won the bidding war to acquire third-largest AT&T Wireless for nearly $41 billion, a deal that could create the nation's largest ...

ATLANTA - Cingular Wireless won the bidding war to acquire AT&T Wireless Services for nearly $41 billion in cash, a deal that would create the nation's largest cell phone company. The merger between ...