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Centroid, distance and smaller radius distance files are available for the following years for easier access. Each link has a the full distance file in csv, dta, and sas format, as well as folder containing similar files centroid data and 5, 25, 100, and 500 mile radius.
The zips are stored as decimal numbers because it makes it easy to check for zips within a range, such as for shipping lookups. It has Zip, City, County, State, State Abbrev, Area Code, Timezone, Latitude, Longitude, and a bunch of other useless data.
Our Free ZIP Code Database is set of all U.S. ZIP code data put into row and column format for easy use and manipulation. The free version comes with 7 data fields for every ZIP code in the United States. It has all the basic information you need to validate ZIP Code entry and basic mapping.
2 sty 2006 · Zipdy is a program for calculating the distance between two zip codes and finding all the records in a RDBMS with a zip code with x miles of another zip code. Currently, RDBMS support exists for postgreSQL .
11 lis 2015 · Download Zipdist -- distance between zip codes for free. Postgresql functions and data for calculating distance between zip code locations.
I'd simply just create a zip_code_distances table and pre-compute the distances between all 42K zipcodes in the US which are within a 20-25 mile radius of each other.
Easily find the distance between two cities in the world, zip codes or latitude and longitude. How long it takes to drive, walk, ride a bike or fly is also calculated.
