ZIP+4 Address Database

ZIP+4 Low Range: This is the starting range for the ZIP+4 code. (4 digits)

ZIP+4 High Range: This is the ending range for the ZIP+4 code. (4 digits)

Record Type Code: Single character code: F=Firm (business), G=General Delivery, H=High-rise, P=PO Box, R=Rural Route / Highway contract, S=Street

Street Pre-Direction: Abbreviation (2 characters). ‘N’, ‘SE’, etc.

Street Name: Name of Street(28 characters)

Street Suffix: Examples: ST, AVE, RD, BLVD, etc. (4 characters)

Street Post-Direction: Abbreviation (2 characters). ‘N’, ‘SE’, etc.

Address Low Range: May contain numbers and/or letters (10 characters)

Address High Range: May contain numbers and/or letters (10 characters)

Address Odd/Even: Odd/Even/Both code (O,E,B - 1 character). This is used with the Low / High address ranges. For instance: this ZIP+4 pertains to addresses from 100 – 400 Main ST, Even numbers.

Bldg. Firm Name: Building / Firm Name. For example: Empire State Building. (40 characters)

Address 2nd Abbr: Secondary info only applies to record types F & H). Typically will have ‘UNIT, APT, STE.’ (4 characters)

Address 2nd Low Range: This is alphanumeric and may be a suite number or apartment, such as ‘3B.’ (10 characters)

Address 2nd High Range: This is alphanumeric and may be a suite number or apartment, such as ‘3B.’ (10 characters)

Address 2nd Odd/Even: Odd/Even/Both code (O,E,B - 1 character). This is used with the Low / High 2nd address ranges, for instance: this ZIP+4 pertains to addresses from 100 – 400 Main ST, Even numbers.

B/A Code: Base vs. Alternate Code - B,A (1 character)

LACS Status: LACS Status Indicator Code: L=LACS Converted, blank=Not Applicable (1 character)

Gov Bldg Indicator: Government Building Indicator:A=City, B=Federal, C=State, D=Firm Only, E=City and Firm Only, F=Federal and Firm Only, G=State and Firm Only (1 character)

City/State Key: Usually this is a letter, followed by 5 digits, but sometimes is just a 4 or 5-digit number (6 characters)

City: This corresponds to the City/State Key. Sometimes it will be the same as the Preferred City, but not often (28 characters)

City Abbr: Abbreviated City. For cities that are over 13 characters long, this will be the city name abbreviated to no more than 13 characters. Some legacy systems need this. (13 characters)

Pref. City/State Key: Preferred City/State Key. Similar to the City/State key, but for the preferred city. (6 characters)

Pref. City: Preferred City (28 characters)

City Delivery Flag: Y=The USPS delivers in the city, N=USPS does not deliver in the city. Occurs in rural areas, Unique ZIPs, Post Office ZIPs (1 character)

Mailing Name Flag: If the city name can be used for mailing, it will be a ‘Y’, otherwise an ‘N’ (1 character)

State Abbr.: State Abbreviation (2 characters)

County: County name (25 characters)

County FIPS: County FIPS Code (3 digits)

Congressional District: Congressional District Code - Note: At Large = 'AL' (2 characters)

Pref. City/State Key: Preferred City State Key (6 characters)

Facility Code: B=Post Office Branch, C=Community Post Office, N=Non-Postal Community Name, P=Post Office, S=Station, U=Urbanization-used only in Puerto Rico (1 character)

ZIP Classification: ZIP Code Classification Code - This code will repeat for all occurrences of this ZIP: M=Military APO/FPO/DPO, P=Exclusively used for PO Boxes, U=Unique (Organizations that have high mail volume can receive their own unique ZIP Code), Blank=General Delivery ZIP Code (1 character)

Unique Name Flag: If ZIP Code is unique and the ‘city’ name is the organization name, this will be ‘Y’, otherwise ‘N’ (1 character)