I am not 100% sure, but it looks like the last update happened about six days ago. This might vary from service to service though (Voice, 3G, 4G, Direct Connect).
Sprint offers a map of its coverage areas on their homepage, sprint.com, and if you go there, you can see marked in red the various places that get sprint coverage.
deadcellzone is a great resource which shows coverage maps for Sprint and other top cellular phone companies, as well as customer comments on particular locations that claim coverage.
when is the next bing map update
It depends on your current plan, but in the 'related links' section there is a map of the Sprint/Nextel Coverage in Mexico, as well as instructions to activate it.
The Sprint Developer website has extensive information about the Wimax including listing the advantages, a coverage map and links to find out more information.
When shopping for a cell phone it is vital to look at the different provider's coverage maps. If for example you are interested in the Sprint phones and really want to use them, you need to make sure the sprint coverage map is adequate for where you live. Try not to fall in love with a specific company because they may not offer the best coverage in your area. Ask about what happens if you find you are unable to send and receive calls and what their refund policy is for such a case.
Yes, Sprint contract phones are reliable. Just make sure you live in the zone where there is coverage. Wireless companies offer a service map to tell you where the signals are strongest.
Their map shows a very near to 100% coverage which makes it recomendable in Southern California. The coverage in San Diego is fantastic according to some users.
Try boostmobile search and look for coverage site map.
The Verizon Wireless Coverage Map can be found on the official website of Verizon Wireless. Along with the map the site also offers Coverage Locator, which provides detailed information about the coverage in specific areas.
The Colorado state map is updated once every year by the government of Colorado. If there are natural disasters occurred, then it would be updated twice a year.
To find a map of 3g coverage in the United Kingdom, one may want to look at the mobile coverage web page. They have listings that can help you see where there is 3g coverage.