Postal Address Verification API


This response is returned by the GetCongressionalDistrictByZip method.

Type Properties

Property NameDescriptionData TypeSample
CongressionalDistrictA standard value identifying a geographic area within the United States served by a member of the U.S. House of Representatives.String02
ReturnCodeReturn status of the method call.

0 – Success
1 – Invalid input
2 – Invalid license key
3 – No match
4 – Multiple matches

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