Similarly, areas without regular postal routes (rural route areas) or areas with no mail delivery (undeveloped areas), are not assigned ZIP Codes They are based on sparse delivery routes, so the boundary between ZIP Code areas there is indefinite You can see our instructions on how to find a county by ZIP CodeI've done a few Routes now, and choose them based on the time I have available Eg if I have about an hour, I'll choose a km course, etc I've never noticed any sort of end to them though I notice that the kms keep counting upSearch and find the locations of the following Louisville zip codes on the zip code map above Here is the list of all of the zip codes in Jefferson County and the city in which the zip code is in 402 (Louisville), 403 (Louisville), 404 (Louisville), 405 (Louisville), 406 (Louisville), 407 (Louisville), 408 (Louisville), 409
Royal Gorge Zip Line Set To Soar Into Action At End Of April The Denver Post