Free Geocoding, Address Processing, and GIS Data Capture

Service outage 6/26/2009 - 6/29/2009
The outage scheduled for 6/27/2009 - 6/28/2009 has been re-scheduled to start earlier 6/26/2009 5PM and end later 6/29/2009 8AM

Service outage 6/27/2009 - 6/28/2009
The USC WebGIS site and all services will be unavailable from 6/27/2009 8:30 AM Pacific - 6/28/2009 8:30 AM Pacific.

Census variable service added
A new service has been added that associates Census variables with coordinate data

Geocoding API updated to 2.7
The geocoding API has been upgraded to 2.7.

Geocoding API updated to 2.6
The geocoding API now returns Census 2000 variables and additional address fields.

API's upgraded to support new parsing functionality
The API's for geocoding and parsing have been updated to support PO Boxes and ZIP+5's. Please update your code if you are using these API's.

Geocoding
Convert postal addresses into geographic coordinates using a state-of-the-art research geocoding platform.

Address Processing
Parse, normalize, standardize and validate postal address data.

Geocode Correction
Interactively correct the location of geocodes using a web-based map interface.

Point-In-Polygon Census Intersection
Associate Census variables with coordinate data.

Polygon Tracing
Interactively trace and store a database of geographic polygons using a web-based map interface.

Shortest Path
Calculate the shortest network path between two points based upon shortest distance or travel time.

Usage Rules
These services are free for non-profits, academics and government researchers. All others can also use the service for free by signing up as a partner or purchasing credits. Click here for details.

(As of 7/4/2009 12:40:15 AM)

Registered Users: 1457

Service Utilizations:

Service	Usages
Geocoding	6,459,822
AddressNormalization	619,900
GeocodingCorrection	4,766
PolygonTracing	5,294
AddressValidation	989
ShortestPath

Existing Users: Click here to login

New Users: Click here to sign up

GIS Research Laboratory
University of Southern California
Kaprielian Hall 444
Los Angeles, CA 90089-0255
(213) 740-5910