AT&T adds 1.3 mil subscribers in 1Q

AT&T reported its seventh consecutive quarter of wireless revenue growth. Revenue's from the telco's wireless business were up 18.3 percent year-over-year for a total of $11.8 billion. Here's a rundown of the largest U.S. operator's key metrics for first quarter:

ARPU: Average revenue per user was $50.18 up 2 percent from the year-ago quarter. Retail postpaid ARPU growth was up 5 percent.

Data: Data revenues were up 57.3 percent to $2.3 billion from the year-earlier quarter. Data now represents 21.5 percent of AT&T's total wireless revenues, up from 16 percent in first quarter 2007. During first quarter customers sent 620 million MMS messages and 44 billion SMS messages.

3G: 11 million customers now have 3G devices. The company's UMTS/HSDPA network is available in 272 metro areas.

700 MHz spectrum: AT&T executives said that based upon the company's purchase of the 700 MHz spectrum assets of Aloha Wireless and its winnings in the 700 MHz spectrum auction, AT&T will have contiguous and unencumbered spectrum that will cover 100 percent of the top 200 markets and 80 percent of the U.S. population.

iPhone: iPhone continues to be popular with AT&T customers. Executives said during this morning's call with investors that the average iPhone ARPUs are in the mid to upper $90 range. More than 40 percent of the customers that purchase an iPhone are new to AT&T.

Unlimited plans: Prior to debuting its $99/mo. unlimited rate plan about 1.5 percent of new customers would sign up for rate plans at $99/mo. or above. Now about 4 percent sign up for the $99/mo. rate plan.

For more, see AT&T's earnings release [1].

Related stories:
AT&T to layoff 1.5 percent of employees. See this AT&T report [2]
AT&T: 95% of iPhone owners surf the mobile web. See this AT&T story [3]
AT&T, T-Mobile match VZW on flat rate, sort of. Read this AT&T report [4]