Using my Verzion Wireless Blackberry around the lodge, village and canyon rim area, good phone coverage with some drop outs as you get further away from the village area. From the Yavapai West Lodge 2nd floor, get up to 1,200 kbps data coverage using the Blackberry in tether mode. My last trip here during the summer of 2007, had no Verizon Wireless in the entire park.

Alltel has excellent coverage at Grand Canyon National Park South Rim Village.

Coverage was spotty at the many overlooks but generally speaking I was able to make and receive calls with no issue. Note that I was Roaming and had no data coverage.

I have a good reception here

The following is based on a stay of a bit over a week. Voice coverage throughout the South Rim area is generally spotty at 1-2 bars, but is good enough to make reliable calls in many places. Specifically in Trailer Village I usually only had 1 bar of "1X" coverage, but only dropped a call once in several hours of calls. Some areas (specifically around The Village and lodge area) have more bars. For me the good news was that 3G coverage was quite good in Trailer Village. I connected with an average of 3 out of 4 bars on my MiFi hot spot, giving us reliable internet access. I saw download speeds up to 2Mbps, and we downloaded 1GB or so data over a week. So I would expect smart phone users to have decent data coverage in the area (unlike AT&T, who has no 3G coverage, and even their "E" coverage is poor).

The following is based on a stay of a little over a week. Coverage is spotty in the South Rim area. In Trailer Village I got 0-2 bars, and generally couldn't keep a connection. Voice coverage throughout much of the South Rim does have 1-2 bars (enough for a phone call), and is good in some places: The Grand Canyon Village area (near the Bright Angel Lodge) usually had 5 bars, as did Desert View at the east end of the park. Data coverage, however, is not 3G, but instead the older "E" coverage. In areas with better reception I could at times receive emails, but usually couldn't connect well enough to download things like a weather radar map (or even access my AT&T account). So based on my experience in the South Rim area, you likely will be able to make calls in some places, but don't plan on using any of the "smart" features of your phone.

Verizon doesn't work too well around Grand Canyon National Park. When it does, many times it roams on Alltel's network. Flagstaff.

Lost signal around Tusayan coming in from the South by 64. Did not have coverage upto Tuba City. Since it was getting dark, I decided to play it safe and return to Flagstaff. The phone sprung into life about 29 miles North of Flagstaff on 160. Was quite surprised to find zero signal in Grand Canyon Village (expected some coverage around the shopping, office and camp area)

No signal received within the Village. Others using Verizon successfully.

Travelled from the outer edge of Flagstaff to Grand Canyon National Park and Reception was next to non-existent. I was travelling along Route 64 and there was no signal except for a few spots and it was only one bar if at all. This is not surprising as even Verizon doesn't work very well in these areas. So there may not be any choice for better coverage there. Throughout the entire Grand Canyon National Park AT&T did not work.

Frustrating... In a group of 4 of us, all with Verizon, I'm the only one that doesn't get reception at all. I tried my Motorola Q, and my Motorola V265. No service at all. 2 friends have LG phones that work fine and the other friend has a Razor that works fine.

Everyone in our large group, with a number of different phones, couldn't get any service at the Grand Canyon and around the hotels outside of the park. Most of us had Verizon as our carrier. We couldn't get reception until we were about a half an hour away from the park, then it was still only one bar. Forget placing a call anywhere north of Flagstaff.

Lots of A channel signal from Alltel, but the phone and / or the service (depending on how much credence should be given to the technician at the Verizon store in the Flagstaff Mall) is unable to roam off its native B channel to take advantage of it.