If by "track", you mean find the co-ordinates - Google Maps (TM) now provides this feature if you search for you post/zip code.
create accurate calendars
When you track leads you can focus your marketing in the area where most of your leads come from. If you are focusing in your correct area, your returns will be better.
There are plenty of different places that offer this as a service. I am sure you could find a place like this easily in your area.
You can track paid Web likes from famecrowd, they deliver paid Web likes within the same day and they even have a tracking area for clients. Also they have different packages for it.
residential zone means houses in an area
The area of West DeLand Residential District is 4,046,856.4224 square meters.
The area of Southeast Gainesville Residential District is 1,355,696.901504 square meters.
The area of Interlaken Historic Residential District is 121,405.692672 square meters.
The area of Sanford Residential Historic District is 10.117 square kilometers.
The area of Northeast Gainesville Residential District is 6,717,781.661184 square meters.
The area of Harbor Oaks Residential District is 1,618,742.56896 square meters.
The area of Punta Gorda Residential District is 2,023,428.2112 square meters.