Yosemite Cell Phone Service
Yosemite's cell phone service is spotty because of the mountain terrain, and may not always be available in your location. However there are a few places where you are likely to get connectivity in Yosemite, with the right provider.
Voice and 4G data service are available in parts of Yosemite Valley and Tuolumne Meadows. Signal is strongest in the Yosemite Village area, near the Visitor Center.
Voice and 3G data service are available in parts of Yosemite Valley, Tuolumne Meadows, Crane Flat, El Portal, and Wawona.
Sprint: As far as we know, no other national service providers have reception in the Yosemite region. However, this information changes periodically and without notice. If you have an update to this information, please let us know at firstname.lastname@example.org.
Service seems to be similar to Verizon Wireless