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US Secondary Address Data attributes

The following attributes are included in US Secondary Address Data.

Response attributes

Top-level response fields

Field IdentifierField NameDefinition

smarty_key

SmartyKey®

Smarty's unique identifier for an address.

matched_address

Matched address

Contains the street, state, and ZIP Code of the matched address.

street

Street

Address line 1.

state

State

The state name or abbreviation.

zipcode

ZIP Code

The 5-digit ZIP Code.

Address attributes

Used by both root_address and aliases

Field IdentifierField NameDefinition

root_address

Root address

That base address without any secondaries.

aliases

Aliases

All aliases of the root address. Aliases are two or more active addresses that describe the same physical location or delivery point.

secondary_count

Secondary count

Indicates how many secondary units an address contains.

smarty_key

SmartyKey®

Smarty's unique identifier for an address.

primary_number

Primary number

The house, PO Box, or building number.

street_predirection

Street predirection

Directional information before a street name (N, SW, etc.).

street_name

Street name

The name of the street.

street_suffix

Street suffix

Abbreviated value describing the street (St, Ave, Blvd, etc.).

street_postdirection

Street postdirection

Directional information after a street name (N, SW, etc.).

city_name

City name

The USPS-preferred city name for this particular address, or an acceptable alternate if provided by the user.

state_abbreviation

State abbreviation

The two-letter state abbreviation.

zipcode

ZIP Code

The 5-digit ZIP Code.

plus4_code

ZIP+4

The 4-digit add-on code (more specific than 5-digit ZIP).

Secondary attributes

Used by secondaries

Field IdentifierField NameDefinition

secondaries

Secondaries

Lists all secondaries associated with the root address.

smarty_key

SmartyKey®

Smarty's unique identifier for an address.

secondary_designator

Secondary designator

Describes the location within a complex/building (Ste, Apt, etc.).

secondary_number

Secondary number

Apartment, suite, or office number, if any.

plus4_code

ZIP+4

The 4-digit add-on code (more specific than 5-digit ZIP).

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