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United States Postal Service Address

Essential Elements

Address Line One

The primary delivery line (usually the street address) of the address.

Example

12 Armstrong Ct Apt 12

Property Name

line_1

Type

string

Address Line Two

Secondary delivery line of the address. Typically populated if the first line is the firm or building name.

Example

9450 Pinecroft Dr

Property Name

line_2

Type

string

City

A valid city name for mailing purposes; appears in the last line of an address on a mail piece.

Example

HOLTSVILLE

Property Name

city

Type

string

State

Full name of a state, U.S. territory, or armed forces ZIP Code designation.

Example

New York

Property Name

state

Type

string

Zip Code

A 5-digit code that identifies a specific geographic delivery area. ZIP Codes can represent an area within a state, or a single building or company that has a very high mail volume.

Example

1234

Property Name

zip_code

Type

string

Premise

Building or Firm Name

The name of a company, building, apartment complex, shopping center, or other distinguishing secondary address information. This field is normally used with firm and highrise records but may also contain literals such as “Postmaster” or “United States Postal Service.”

Example

POSTMASTER

Property Name

building_or_firm_name

Type

string

Government Building Indicator

An alphabetic value that identifies the type of government agency at the delivery point and/or whether a firm is the only delivery at an address. For this purpose, "address" is defined as the complete delivery line (e.g., complete street address and, if included as part of the firm record, the secondary abbreviation and/or address secondary number).

  • A = City government building—alternates only
  • B = Federal government building—alternates only
  • C = State government building—alternates only
  • D = Firm only—base and alternates
  • E = City government building and firm only—alternates only
  • F = Federal government building and firm only—alternates only
  • G = State government building and firm only—alternates only

Property Name

government_building_indicator

Type

string

Possible Values

  • ""
  • "A"
  • "B"
  • "C"
  • "D"
  • "E"
  • "F"
  • "G"

Primary Number

A house, rural route, contract box, or Post Office Box number. The numeric or alphanumeric component of an address preceding the street name. Often referred to as house number.

Example

A298

Property Name

primary_number

Type

string

Secondary Number

Number of the sub unit, apartment, suite etc

Example

123A

Property Name

secondary_number

Type

string

Street

Street Names

The official name of a street as assigned by a local governing authority. The Street Name field contains only the street name and does not include directionals (EAST, WEST, etc.) or suffixes (ST, DR, BLVD, etc.). This element may also contain literals, such as PO BOX, GENERAL DELIVERY, USS, PSC, or UNIT.

Example

GOSHEN

Property Name

street_name

Type

string

Street Post Directional Abbreviation

A geographic direction that follows the street name.

Property Name

street_post_directional_abbreviation

Type

string

Street Pre-Directional Abbreviation

A geographic direction that precedes the street name.

Property Name

street_pre_directional_abbreviation

Type

string

Street Suffix Abbreviation

Code that is the standard USPS abbreviation for the trailing designator in a street address.

Example

ST

Property Name

street_suffix_abbreviation

Type

string

Locality

City Abbreviation

A standard 13-character abbreviation for a city/state name. This field is only used for names that are greater than 13 characters in length and have a city/state mailing name indicator of "Y." If the field is longer than 13 characters and the city/state mailing name indicator is "N," the field will be blank.

Example

W TOWNSHEND

Property Name

city_abbreviation

Type

string

City State Mailing Name Indicator

Specifies whether or not the city state name can be used as a last line of address on a mail piece.

  • "Y = City/state name is a USPS-approved mailing name."
  • "N = City/state name is not approved for mailing purposes."

Property Name

city_state_mailing_name_indicator

Type

string

City State Name Facility Code

The type of locale identified in the city/state name. The facility may be a USPS facility, such as a post office, station, or branch, or it may be a non-postal place name. City/state name facility codes include the following:

  • B = Branch
  • C = Community post office (CPO)
  • N = Non-postal community name, former USPS facility, or place name
  • P = Post Office
  • S = Station
  • U = Urbanization

Property Name

city_state_name_facility_code

Type

string

Possible Values

  • "B"
  • "C"
  • "N"
  • "P"
  • "S"
  • "U"
  • "Y"
  • ""

Last Line

Last line of the address comprising of city, state, zip code and zip+4

Example

GREENWICH, CT, 06830-1234

Property Name

last_line

Type

string

Plus 4 Code

4 digit ZIP add-on code.

Example

1234

Property Name

plus_4_code

Type

string

Preferred Last Line City State Name

Field that contains the default preferred or alternate preferred last-line name for a ZIP Code.

Example

AGUADA

Property Name

preferred_city

Type

string

Preferred Last Line City State Key

In the Carrier Route, Five-Digit ZIP Code, Delivery Statistics, and ZIP + 4 products, an index to the City State product record that provides the preferred last-line name for this address range. In the City State product, the preferred last line city/state key contains the key value of a City State product record that has the default preferred or alternate preferred last-line key for a given ZIP Code.

Example

V13916

Property Name

preferred_last_line_city_state_key

Type

string

ZIP Classification Code

A field that describes the type of ZIP area that a 5-digit ZIP Code serves, e.g., a single educational institution, post office boxes only, or a single address that has unusually high mail volume or many different addresses.

  • M = Military ZIP Code
  • P = ZIP Code having only Post Office Boxes
  • U = Unique ZIP Code (ZIP assigned to a single organization)
  • Blank = Standard ZIP with many addresses assigned to it

Property Name

zip_classification_code

Type

string

Possible Values

  • ""
  • "M"
  • "P"
  • "U"

ZIP Code

A 5-digit code that identifies a specific geographic delivery area. ZIP Codes can represent an area within a state, or a single building or company that has a very high mail volume.

Example

1234

Property Name

zip_code

Type

string

ZIP +4 Code

Nine-digit code that identifies a small geographic delivery area that is serviceable by a single carrier; appears in the last line of the address on a mail piece.

Example

12345-6789

Property Name

zip_plus_4_code

Type

string

Administrative

County Number

The Federal Information Processing Standard (FIPS) code assigned to a given county or parish within a state. In Alaska, it identifies a region within the state. If APO/FPO/DPO, and the record type is “S,” “H,” or “F,” the county number will be blank.

Property Name

county_number

County

The name of the county or parish in which the 5-digit ZIP Code resides. If APO/FPO/DPO, then the county name will be blank.

Example

SUFFOLK

Property Name

county

Type

string

State Abbreviation

A 2-character abbreviation for the name of a state, U.S. territory, or armed forces ZIP Code designation. If APO/FPO/DPO, then the state abbreviation will be “AA,” “AE,” or “AP.”

Example

NY

Property Name

state_abbreviation

Type

string

USPS ISO Country Codes

3 letter ISO country code associated with USA

Property Name

usps_country_iso

Type

string

Possible Values

  • "USA"
  • "PRI"
  • "GUM"

Country

Full country name associated with address

Property Name

usps_country

Type

string

Possible Values

  • "United States"
  • "Guam"
  • "Puerto Rico"

Miscellaneous

Address Secondary Abbreviation

A descriptive code used to identify the type of address secondary range information in the Address Secondary Range field. This code may be useful in address matching, e.g., the secondary address numbers may indicate apartment, suite, or trailer numbers.

Property Name

address_secondary_abbreviation

Type

string

Base Alternate Code

Code that specifies whether a record is a base (preferred) or alternate record. Base records (represented as "B") can represent a range of addresses or an individual address, such as a firm record, while alternate records (represented as "A") are individual delivery points. Base records are generally preferred over alternate records. Government deliveries will only be listed on alternate records with the appropriate government building indicator (federal, state, or city) set.

Property Name

base_alternate_code

Type

string

Possible Values

  • "A"
  • "B"
  • ""

Carrier Route ID

A 4 character ID identifying the postal route for the address. The first character indicates the route type. Specifically:

  • "B" indicates PO Box
  • "H" indicates highway
  • "C" indicates city
  • "G" indicates general
  • "R" indicates rural

Example

R012

Property Name

carrier_route_id

Type

string

Carrier Route Rate Sortation and Merged 5-Digit Indicator

Identifies where automation Carrier Route rates are available and where the commingling of automation and non-automation mail, including Enhanced Carrier Routes and 5-digit presort, on the same pallet or in the same container is allowed.

Property Name

carrier_route_rate_sortation

Type

string

Congressional District Number

A standard value identifying a geographic area within the United States served by a member of the U.S. House of Representatives. If Army/Air Force (APO), Fleet Post Office (FPO), or Diplomatic/Defense Post Office (DPO), this field will be blank. If there is only one member of Congress within a state, the code will be "AL" (at large).

Property Name

congressional_district_number

Finance Number

A code assigned to Postal Service facilities (primarily Post Offices) to collect cost and statistical data and compile revenue and expense data.

Property Name

finance_number

LACS Status Indicator

The Locatable Address Conversion Service (LACS) indicator describes records that have been converted to the LACS system (a product/system in a different USPS® product line that allows mailers to identify and convert a rural route address to a city-style address). Rural route and some city addresses are being modified to city-style addresses so that emergency services (e.g., ambulances, police) can find these addresses more efficiently.

  • L = LACS address: The old (usually rural-route) address that has been converted for the LACS system.
  • Blank = Not applicable

Property Name

lacs_status_indicator

Type

string

Possible Values

  • ""
  • "L"

Record Type Code

An alphabetic value that identifies the type of data in the record. - G = General delivery (5-Digit ZIP, ZIP + 4, and Carrier Route products) - H = High-rise (ZIP + 4 only) - F = Firm (ZIP + 4 only) - S = Street (5-Digit ZIP, ZIP + 4, and Carrier Route products) - P = PO Box (5-Digit ZIP, ZIP + 4, and Carrier Route products) - R = Rural route/contract (5-Digit ZIP, ZIP + 4, and Carrier Route products) - M = Multi-carrier (Carrier Route product only)

Property Name

record_type_code

Type

string

Possible Values

  • "G"
  • "H"
  • "F"
  • "S"
  • "P"
  • "R"
  • "M"
  • ""

Update Key Number

Field that contains a number that uniquely identifies a record; used to identify the base record to which an add or delete transaction is being directed. The Update Key Number field is used only when applying transactions to the base file; it is not used in address matching and remains fixed for the life of the record. The field is alphanumeric and consists of the database segment code (V1, V2, W1, W2, X1, X2, Y1, Y2, Z1, or Z2) and eight characters containing an alphanumeric value ranging from 00000001 to AAAAAAAA.

Example

00000001

Property Name

update_key_number

Type

string

Urbanization City State Key

An index to the City State file that provides the urbanization name for this delivery range.

Example

V18475

Property Name

urbanization_city_state_key

Type

string

USA Dataset

Identifies the address as sourced from USPS

Property Name

usps_dataset

Type

string

Possible Values

  • "usps"