Service Comparison by Locations: Select a location on the map to see the test results.*
*Service was tested at each location from Oct. 7 through Oct. 14 by making five calls, lasting between 20 seconds and one minute each. If a call was perfect, it got a green rating. If the call went through but there was some static, even a minor glitch, it was recorded as yellow. If a call dropped or the network being tested returned a busy signal, it got a red.
See how the companies stack up.
Articles, advice and online-only content from The Washington Post and washingtonpost.com.
How to Make the Right Call on Cell Plans
Fast Forward's Rob Pegoraro writes that service can't be purchased on price alone -- first, pick a carrier, since not all offer the same service. It helps to start with the right questions.
When Cell Phones Go Bad
Up to 25 percent of wireless phones run into problems within the first year. But what then -- throw away an expensive device, or fix something that may soon be obsolete?
Rob Pegoraro was online on Nov. 1 to answer reader questions about the annual cell phone guide. Check out his advice.