An extended ZIP + 4 code includes the five digits of the ZIP code, a hyphen and then four more digits, which allow a piece of mail to be directed to a more precise location than by the ZIP code alone. A ZIP + 4 code uses the basic five-digit code plus an additional four digits to identify a geographic segment within the five-digit delivery area.
GBBIS ZIP+4 centroids are updated monthly and CASS Certifiable. There are more than 37,000,000 ZIP+4 centroids.
The attributes for the points would be as follows:
Column
Data Type
Description
ZIP
CHAR(5)
5-Digit ZIP Code
PLUS4
CHAR(4)
+4 Code
ZIP4
CHAR(10)
5-Digit ZIP Code and +4 Code ex: 16901-0001
Output Formats: ESRI Shapefile, MapInfo Tab, & MapInfo Mid/Mif
An extended ZIP + 4 Code includes the five digits of the ZIP code, a hyphen and then four more digits. This allows a piece of mail to be directed to a more precise location than by the ZIP code alone.
A ZIP + 4 Code uses the basic five-digit code plus an additional four digits to identify a geographic segment within the five-digit delivery area.
GBBIS ZIP+4 databases are updated monthly. We offer the database in two versions:
PLUS4_LOW
ZIP+4 Add-On Low number
PLUS4_HIGH
ZIP+4 Add-On High number
CITY
VARCHAR(28)
City Name
ST_ABRV
CHAR(2)
State Abbreviation
CROUTE
Carrier Route code
Code
B###
PO Box
C###
City delivery
G###
General delivery
H###
Highway contract
R###
Rural route
RECTYPE
CHAR(1)
Record Type Code
F
Firm
G
General Delivery
H
Highrise
P
R
Rural Route / Highway Contract
S
Street
ST_PREDIR
VARCHAR(2)
Street Pre-Directional Abbreviation
ST_NAME
Street Name
ST_SUFFIX
VARCHAR(4)
Street Suffix Abbreviation
ST_POSTDIR
Street Post-Directional Abbreviation
ADDR_PRIMARY_LOW
VARCHAR(10)
Address Primary Low Number
ADDR_PRIMARY_HIGH
Address Primary High Number
ADDR_PRIMARY_OE
VARCHAR(1)
Address Primary Odd/Even Code
O
Odd
E
Even
B
Both
BUILDING_NAME
VARCHAR(40)
Building or Firm Name
ADDR_SECONDARY_ABRV
Address Secondary Abbreviation
ADDR_SECONDARY_LOW
Address Secondary Low Number
ADDR_SECONDARY_HIGH
Address Secondary High Number
ADDR_SECONDARY_OE
Address Secondary Odd/Even Code
ZIP4_LOW_SECTOR
ZIP Add-On Low Sector Number
ZIP4_LOW_SEGMENT
ZIP Add-On Low Segment Number
ZIP4_HIGH_SECTOR
ZIP Add-On High Sector Number
ZIP4_HIGH_SEGMENT
ZIP Add-On High Segment Number
BASE_ALT_CODE
Base Alternate Code
Base
A
Alternate
LACS
LACS Status Indicator
L
LACS Converted
Blank
Not Applicable
GOVERNMENT_BLDG
Government Building Indicator
City Gov. Bldg.
Federal Gov. Bldg.
C
State Gov. Bldg.
D
Firm Only
City Gov. Bldg. and Firm Only
State Gov. Bldg., and Firm Only
FINANCE_NUMBER
CHAR(6)
Finance Number
ST_FIPS
State FIPS
CTY_FIPS
CHAR(3)
County FIPS
CTY_NAME
VARCHAR(25)
County Name
CONGRESSIONAL_DIST
Congressional Districts