> How can I use zip / postal codes?
How can I use zip / postal codes?
Every zip code is associated with a particular geographical coordinates (latitude and longitude). Using these coordinates you can calculate a distance between 2 postal codes. Here you can find an instruction how to do that. So you can approximately calculate for example a distance between 2 points of your trip. Another possibility of postal code use is search for postal codes lying in a particular distance from a certain location. Using distance calculation by postal code you can search for a service station which is not far than 10 miles from your university or office. Or you can find a house situated in New York neighbour. If your records contain additional information (like state, city or street address) it extends the functionality. In that case you can look for example for fitness centers or schools in your district.