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Thank god AT&T bought out altell! Since they took over the coverage is perfect. Finally 3g and only one time has my phone had less than full bars. Nice.

Signal some what weaker in park. Good throughout town. New Sony Ericsson much better than my old Nokia was. Good service with T mobile.

Cingular coverage in Bishop was pretty mediocre compared to Verizon or Cellular One. Calls would frequently drop, even with "full bars", calls would also frequently get static-y. Roams on Cellular One's GSM overlay, but despite great CDMA coverage in the area the gsm service is very finicky. The only Cingular tower is located East of town in the White Mountains.. Great if you're fishing over there :-)

Acceptable signal levels in and around Bishop for voice calls. Rarely drops a call. Completely unacceptable 3G service. Can take all day to send a short email with small photo. Forget about accessing the internet, you can view a page an hour in you are lucky. Even worse when town is busy. AT&T has reached their local capacity and still sells more service accounts without upgrading their local 3G service. Many disatified AT&T paying customers all over the area. AT&T insists that there is no problem and will do nothing for you. Will be switching to Verizon soon if AT&T does not upgrade local 3G service that I am paying for. It is very disapointing.

T-Mobile service in the Bishop area is spotty, with varying levels of service throughout town. Its usually possible to make / receive voice calls anywhere outside but call quality is a usually below acceptable / unavailable / drops if indoors. Data coverage is usually GPRS / or Edge and pretty much unusable 70% of the time as it just times out / super slow... Bottom line- if you're expecting exceptional service here- you're out of luck. But you will be able to regularly make calls / texts usually without problem (if you're outside). Seeing only one tower on this map, something tells me that my call drop issues stem from the phone bouncing back and forth between roaming on ATT's GSM voice service and the phone trying to use the weak but "usable" service on the native network.

Virgin mobile used to market their products here in the area, primarily at Kmart. They no longer do. I have had virgin mobile service for 2 years and have issues to say the least. my original phone, the marbl, which costs 10$ got better signal. than my $80.00 shuttle phone. I am not sure if one is cdma phone and the other is Gsm. all I know is I have been told that the area is dominated by verizons towers who only use CDMA technology. virgin is through sprint / nextel who only have one tower here to my knowledge. so my advice to bishop folks wanting prepaid service or otherwise, stick with CDMA phones for the time being. I dont know why most companies when you type in your zip code, dont figure this out and give you the correct phone options depending on the cell technology in the area. you could conceivably use a gsm phone on a cdma network but you will have signal issues. HINT: any phones accepting a sim card are GSM. avoid them. I think as far as prepaids,straight talk is the best choice here, then followed by net10, then tracphone(make sure you get a cdma compatible tho, they are on the gsm network, it has to be mirrored).tmobile, at and t go phone, and virgin mobile suck for prepaids. Verizon and Alltel remain the ticket for contract plans and has the best coverage around. fact is Alltel is merging with AT and T. It will now suck seriously considering AT and Ts sketchy network coverage. Alltel could not merge with Verizon (1 of only 10 markets) as Verizon has the market monopolized here. NO 3G o 4G here, because no GSM network. if you can get an old functional Verizon analog phone your much better off, especially travelling the 395 corridor which is difficult to avoid roaming charges on any network. hope this helps the poor ol bishop folks.

I've had AT&T for years from Bay Area days. Am switching to Verizon this week. I've heard there is no AT&T 3G network in Bishop. Verizon has one here. In general AT&T has very poor reception on the Eastside and in Mammoth for any kind of phone.

My I phone is tight but my coverege sucks! Mammoth gets 3G. What about us? The Internet coverege and downloading very dissapointing for such a cool phone. Better have your wifi ready.

Lots of poor quality connections. Lots of dropped calls (despite Cingular's "promise of the fewest dropped calls). Works sketchily inside house and office (near Bishop City Hall). Often callers are directed instantly to voice mail although the phone is on and at my side (in my pocket). That said, there are some encouraging signs from time to time that it might actually be improving... no idea why those moments of clear, strong connections come and go so readily. I stay for the roll-over minutes of Cingular. Throw up some more towers that look like "pine trees." It won't spoil the reward of hiking into the backcountry of the John Muir Wilderness... mostly, they'll go unnoticed in any part of town, once they've been installed; I'd suggest one somewhere up near Cerro Coso Comm. College's campus (with its unnecessary light pollution!)

Nearly impossible to use the phone to make or receive calls. Verizon cancelled my contract because they said they had lost a cell tower and would not replace it.