Mobile Frequencies of US-Providers

 4G LTE3G
at&t700 MHz, Band 17
850 MHz, Band 4
1700/2100 MHz, Band 4
850/1900 MHz (GSM)
Verizon700 MHz, Band 13
1900 MHz, Band 2
1700/2100 MHz, Band 4
850/1900 MHz (CDMA)
Sprint800 MHz, Band 26
1900 MHz, Band 25
800/1900 MHz (CDMA)
T-Mobile700 MHz, Band 12
1900 MHz, Band 2
1700/2100 MHz, Band 4
1700/2100 MHz (AWS)
1900 MHz
boost mobile800 MHz, Band 26
1900 MHz, Band 25
800/1900 MHz (CDMA)
metroPCS700 MHz, Band 12
1700/2100 MHz, Band 4
1700/2100 MHz (GSM)