The impacted areas were mostly in the South and Southwestern U.S., although it looks like less than 1% of the customer base was affected (the total is 7.4 million).
The problem was a software glitch, which came from a recent upgrade.
Of course, AT&T customers are livid — and they’re going to Twitter and Facebook (NASDAQ:FB) to express their anger. Many have also vented on the company’s own forums.
It’s not clear if AT&T will offer refunds. But it would probably be a good idea to do so. After all, nowadays customers have more options to choose from, such as cable and satellite TV.
Tom Taulli runs the InvestorPlace blog IPO Playbook, a site dedicated to the hottest news and rumors about initial public offerings. He is also the author of “How to Create the Next Facebook” and “High-Profit IPO Strategies: Finding Breakout IPOs for Investors and Traders.” Follow him on Twitter at @ttaulli. As of this writing, he did not hold a position in any of the aforementioned securities.