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Cellular Providers and Frequencies of the United States of America

Cellphone GSM Frequencies: 850/1900

(This means you will need a GSM cellphone that will work on 850MHz or 1900Mhz to use it in the USA.)



Cellular carriers for the United States of America



Alaska Wireless Communications, LLC (Dutch Harbor)

Frequency: GSM 850
Website: www.alaska-wireless.com

Coverage Map



AT&T Mobility

Frequency: GSM 850/1900
Website: www.wireless.att.com

Coverage Map



T-Mobile USA

Frequency: GSM 1900
Website: www.t-mobile.com

Coverage Map



If you've used either of these networks or roamed in the United States, please post about your experience and the cost. Feel free to ask questions.