This service corrects U.S. addresses, provides geocoding (U.S. down to address level and Canadian to Postal Code Level), and allows you to convert zip codes (and Canadian Postal Codes) to city and state names. We also offer PMSA, CMSA, and various other codes. BE SURE TO USE A LICENSE KEY OF 0 FOR TESTING.

The following operations are supported. For a formal definition, please review the Service Description.

• AdvancedCheckAddress
  This method checks an address with 2 lines and returns all possible matches.
• AdvancedStandardization
  This method is called by all advanced address checking methods and allows for a deeper interface with the address correction.
• AlternateCities
  Returns all possible city names for a zipcode as an array
• BarcodeFontURL
• CCServerCheck
• CalculateDistanceInMiles
  Calculates the distance between two areas using longitude and latitude. This is calculated using spherical geometry. This is a free function. You can get the calculations behind this function via support@cdyne.com .
• CheckAddress
  This method checks an address with 1 line and only returns 1 match.
• CheckAddressW2lines
  This method checks an address with 2 lines and only returns 1 possible match.
• CityStateToZipCodeMatcher
  Returns all possible zipcodes for a city/state combination. For this function to work you must put true or false in IgnoreBadCitySpelling. That flag will allow you to have cities zipcodes that have the city name spelled incorrectly. This function is far more accurate with that flag set to false. Use a licensekey of 0 for testing.
• GetCongressionalDistrictByZip
  Returns all possible zipcodes for a city/state combination. For this function to work you must put true or false in IgnoreBadCitySpelling. That flag will allow you to have cities zipcodes that have the city name spelled incorrectly. This function is far more accurate with that flag set to false. Use a licensekey of 0 for testing.
• ReturnCityState
  Checks a zipcode and returns City, State, Lat, Long and more. The latitude and longitude will be more precise with a plus 4. We have added Canadian Postal Codes to this mix. This is the only function that will pull Canadian Geo and City information.
• StandardizedAddress
  This method is called by all Standard Address Routines and allows more interaction with the address system.
• VersionInformation
  Views the latest version information