Depending on what service you are currently using, there are a few options. Most of the waterproof phones that I located are older options, so they would mostly be for calling, not the other, newer things smartphones are capable of. A list of offerings are here: http://www.infosyncworld.com/news/n/9715.html
Yes the Underwater Waterproof Cell Phone Armband Case by Aquapac
There are no reliabe hard-cover or silicon cases for your cell phone. The cases protect against scratches, bangs, and other things like dirt and food, but not water
You can buy cell phone covers from convinient kiosks in almost any mall, and the majority of them will sell these phone covers relatively cheaply, compared to other places.
You can buy a cell phone at any major cellphone retail store such as Verizon, or you could buy cellphones from places like Wal-Mart, Best buy and radio shack.
You could buy cell phone boosters from many places. A lot of places online sells them or you could also check out some of your brick and mortar stores like Best Buy or your cell phone provider.
There is always a possibility of finding cell phone batteries in any shop. But I would buy cell phone batteries at your local cell phone retailer, or the company that made your phone.
Nextag cell phone headphones can be used on any cell phone.
There are a large variety of different places where one can view customer reviews on Nextel wireless cell phone plans. These places include the official Nextel website and any retailers that sell Nextel wireless plans.
A person can find cell phone tracker software at nearly any store that sells electronics such as stores like Best Buy and Radioshack and also places like Target.
Yes! There are several websites that have pantech cell phones listed. I would highly suggest: www.amazon.com, www.ebay.com, www.pantechusa.com/ ,and www.overstock.com.
Thanks to the invention of the World Wide Web, there are now thousands of places that you can get great cell phone deals. You aren't limited to the cell phone stores in your area. The first place to look for great cell phone deals is the cell phone location on the website of your carrier. Are they carrying any monthly specials, or specials for new users? If you are a first time cell phone user, there are deals for you. Be sure to look around the World Wide Web for the dozens of other cell phone deals and steals also!
As with any phone accessory, just check with the local cell phone store for all the latest attachments for them. Also, places like Walmart have a selection of add ons.