where is 1 866 area code
In North America (USA, Canada, etc.), area code 866 is used for toll-free calls.It is a non-geographic code, meaning the person on the other end of the call could be located anywhere in the world.orth American area code +1 509 is eastern Washington State,  including Spokane and Yakima, among others.    The 509 area code is the telephone area code for most of e â¦ astern  Washington state. It covers approximately two thirds of the state  (by land area), and the boundary follows the Cascades.