Address Primary High Number

A house, rural route, contract box, or Post Office box number. The numeric or alphanumeric component of an address preceding the street name. The high-end address in a range of addresses. Often referred to as house number.

Address Primary Low Number

A house, rural route, contract box, or Post Office box number. The numeric or alphanumeric component of an address preceding the street name. The low-end address in a range of addresses. Often referred to as house number.

Address Primary Odd/Even Code

The code that identifies the side or sides of a street for which a given address range is applicable. For street, high-rise, firm, and multi-carrier records,
O = odd side of a street (odd-numbered addresses in the range),
E = even side of a street (even-numbered addresses in the range), and
B = both sides of a street. For general delivery, Post Office box, and rural route/contract records, this code will always be B.

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. (See Publication 28, Postal Addressing Standards, for values.)

Address Secondary High Number

Code that describes an apartment, room, suite, space, floor, or other secondary addressing numeric or alphanumeric that follows a street address. The high-end secondary address component in a range of secondary addresses.

Address Secondary Low Number

Code that describes an apartment, room, suite, space, floor or other secondary addressing numeric or alphanumeric that follows a street address. The low-end secondary address component in a range of secondary addresses.

Address Secondary Odd/Even Code

Code that identifies a secondary address within a range of secondary addresses as being odd (0), even (E), or both (B).

Alias Street Name

An alternate street name maintained at the 5-digit ZIP Code level; may be a name by which a street was formerly known or a commonly-used nickname for a street. Street names that include directionals and/or suffixes as part of the name will be standardized on all AIS product files according to USPS addressing standards. The alias file will identify the community-preferred street name.

Alias Street Post-Directional Abbreviation

A geographic direction that follows an alias street name.

Alias Street Pre-Directional Abbreviation

A geographic direction that precedes an alias street name.

Alias Street Suffix Abbreviation

USPS standard abbreviation for the trailing designator in an alias street address.

Base Alternate Code

Residential and Business Delivery Indicator (RBDI) is used to identify whether a given location is a commercial establishment or a private residence. This may be of valuable importance for shippers who use carriers that charge differently for residences and businesses.

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 high-rise records but may also contain literals such as "Postmaster" or "United States Postal Service."

Carrier Route ID

A 4-byte code assigned to a mail delivery or collection route within a 5-digit ZIP Code. The first character of this identification is alphabetical, and the last three are numeric: B###=PO box H###=Contract R###=Rural route C###=City delivery G###=General delivery

City Name

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

City State name 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.

Client Number

A unique identifier number is assigned to an end user that uses the SureAddress API.

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).

County Name

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. It is important to remember that many ZIP Codes serve more than one county.

Finance Number

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

The finance number can be used to match to records in other USPS files. By sorting these files by finance number, sequence matches can be made to use other street-level address information. For example, to use ZIP+4 product to obtain ZIP+4 codes for street addresses, a 5-digit ZIP Code, last-line number, or finance number for the street address must be known. The finance number can be obtained from the City State product. For a street address such as "123 MAIN ST, SAN FRANCISCO CA," matching to the City State product will not provide a single 5-digit ZIP Code because San Francisco has more than one ZIP Code (i.e., it is a "multi-coded city"); However, the finance number for San Francisco can be obtained from the City State product. Then, by sorting the ZIP+4 product into finance number and street-name sequence, a match can be found to provide both the correct 5-digit ZIP Code and ZIP+4 code.

GeoCode

A 12-character alphanumeric string that defines a specific country, state, county, locality. The country is always represented by characters ( for example "US"). The rest of code read as: state = 2 characters, county = 3 characters, locality = 5 characters.

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).
This field may be blank or may contain one of the following values:
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

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

Preferred Last-Line City State Name

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

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."

Street Name

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. Numeric street names that have numeric components that are four characters (or less) in length at are justified such that the low-order digit of the number is positioned in the fourth position of the street name field. This shift is made so that the numeric street names appear in numeric sequence.

Street Pre-Directional Abbreviation

A geographic direction that precedes the street name.

Street Suffix Abbreviation

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

+4 High Number

The high-end ZIP add-on in a range of codes; the add-on of the last +4 code in a consecutive series of +4 codes assigned to the delivery address. Most delivery addresses are assigned a single +4 code; however, large companies may be given a range of +4 codes that can be used to route mail to specific departments. A range of +4 codes can also be assigned to a corresponding range of Post Office boxes, and each box is mapped, one-to-one, with a +4 code in the range. A single Post Office box can also be assigned a range of +4 codes.

+4 Low Number

The last four positions of a +4 code; the low-end +4 in a range of codes; the add-on of the first +4 code in a consecutive series of +4 codes assigned to the delivery address. For example, most delivery addresses are assigned a single +4 code. However, large companies may be given a range of +4 codes that can be used to route mail to specific departments. A range of +4 codes can also be assigned to a corresponding range of Post Office boxes, and each box is mapped, one-to-one, with a +4 code in the range. A single post office box can also be assigned a range of +4 codes.

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. ZIP Classification Codes include the following: 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

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.

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.