State regulators say the existing 317 area code is quickly running out of numbers. Without adding a new code, the 317 series would be exhausted by 2017. The 317 area code covers 14 counties. It was one of the first area codes established in Indiana in 1947.
1 For women the speed increases from about 28km/h to about 95km/h.  The weight of a javelin for men is 800gms and its length varies between 260cm to 270cm, while the women's javelin weight is around 60gms and has a length of 220-230cm.
Weights. First let's look at the legal weights for darts. Steel-tip darts can weigh up to 50 grams, though you will have a very difficult time locating very many varieties above 30 grams. Most people throw darts that weigh between 20-25 grams.n average, a 20 gram tungsten dart will be Â½ the size of a 20 gram brass dart which will allow for tighter groupings on the board. This is the reason most of the really good throwers use tungsten darts but if you're just starting out, you won't be throwing tight groupings anyway, regardless of the dart you're using.