Free Zip Codes in a Radius around a Zip Code
This handy tool will show you all of the zip codes in a given mile radius around any zip code in the USA.
Results are not guaranteed to be accurate.
This radius search is also available as a web service which you can call with a simple URL giving parameters for zip and radius. The system will then return a comma separated list of the zip codes within the give radius around that zip code - including the original zip code - in ascending order. The zip and radius must both be numeric. If both zip and radius are not numeric 00000 will be returned.
An example call to the web service is: http://www.truesitetools.com/tools_index.php&page=get_zip_radius_cl&zip=92101&radius=5 This example will retrieve all zip codes in a 5 mile radius from zip code 92101.
API
Format all calls as www.truesitetools.com/tools_index.php&page=get_zip_radius_cl&zip=ZZZZZ&radius=RRR.Replace ZZZZZ with your 5 digit numerical USA zip.
Replace RRR with your the numerical radius (in miles) you wish to have surrounding zips returned for.
You will get a comma sep list something like this: 06242,06278,06282
Please do not use the web service for more than 50 calls from any domain per day.This is running on shared hosting, and if traffic becomes excessive I may be forced to discontinue it.
There are absolutely no guarantees of accuracy or availability.
