How Do I Find Whose Number Is a Cingular Wireless Call?

1. Go to the Free SMS website. Enter the cell phone number in the respective field and click 'Search for Carrier.' You will find out if the number belongs to Cingular or any other carrier.
2. Go to the Fone Finder website and enter the cell phone number under 'Area Code Prefix--7th Digit.' Once you click 'Search by Number,' the website will tell you which carrier the number belongs to.
3. Go to the Addresses website and enter the cell phone in the blue box 'Cell Phone Caller ID.' Click the 'Search' button to see which carrier the phone number belongs to.