FCC Warns AT&T Wireless on Portability Problems

The six carriers most frequently mentioned in the complaints are: AT&T Wireless (332 complaints); Verizon Wireless (129); Cingular Wireless (9😎; Sprint PCS (94); Nextel Communications, Inc. (46) and T-Mobile USA, Inc. (44). The Commission receives many complaints that do not involve violations of a Commission rule or order. Therefore, the receipt of these complaints does not necessarily indicate any wrongdoing by any of the companies involved. Further analysis is required to determine what, if any, violations occurred. In addition, these statistics do not reflect the number of complaints against a particular carrier relative to the number of porting requests made to the carrier. ....

this can be found on the fcc website