Cingular Wireless, which acquired AT&T Wireless last October, had the highest rate of complaints filed with the Federal Communications Commission during the last quarter of 2004, The Wall Street Journal reported.

Cingular, which now serves more than 50 million customers, generated 4.6 complaints per 100,000 customers, followed by T-Mobile USA with 4.3 and Sprint with 3.6. Nextel, which plans to merge with Sprint, generated 2.3 complaints per customer and Verizon Wireless, the second-largest cellular carrier, had the lowest rate of complaints, 1.4 per 100,000 customers.

The Journal filed a Freedom of Information Act request to obtain the complaint figures from the FCC. The commission provided the total complaint figures; the Journal calculated the complaint rate. Cell Phone Complaints
Complaints filed with in the last 12 months -- raw numbers, not weighted to reflect market share.