Cellphone Wireless Coverage Maps

RootMetrics cellular performance comparison map
RootMetrics rootscore

Verizon
All covered by LTE, 3G, Data, Voice
OLD: All covered with BroadbandAccess & VCAST

Sprint
Voice: Good, Good, Good, Good
Data: 3G, 3G, 3G, 3G
OLD: Good 3+, Best 5+, Good 3+, Good 3+, (Best: outdoors, car, many buildings) (Good: outdoors, car, some buildings) (Fair: outdoors) + for Sprint Mobile Broadband Network

Cingular/AT&T
Voice: Best, Best, Best, Best
Data: LTE, LTE, LTE, LTE
OLD: Good 3+, Good 3+, Moderate 2+, Moderate 2+, (Best: most in-buildings) (Good: on-street, in-the-open, most in-vehicles, some in-buildings) (Moderate: on-street or in-the-open) + for 3G Mobile Broadband

T-Mobile
2G: Good, Good, Satisfactory, Satisfactory
3G/4G(1700Mhz): Excellent, Excellent, Good, Good

OLD: coverage incleased 1, 3+, 4+, 3+, 3+ ((5 dropped), 4: outdoors, car, most buildings) (3: outdoors, car, some buildings) (2: outdoors) (1: ...) + for 3G