Compare wireless service companies by visiting Web portals such as CNET.com, MyRatePlan.com and WhistleOut.com. These websites provide up to date information regarding products offered by wireless service providers, network coverage and costs.
CNET.com has a quick guide with information pertaining to network coverage, data connection speeds and quality of the voice calls. CNET has plenty of reviews for cellphones as well.
Both MyRatePlan.com and WhistleOut.com have interactive online calculators that determine your usage in terms of data, calls and text messaging, and compare the charges across multiple networks in the United States. The convenient online calculators help you save time when comparing wireless service plans.