Missouri Geocodes

• Geocoding Data System
• Terms and Conditions

County, City, ZIP Code Associations

The Geocoding Data System is a system of geographic identification codes which cross-references city, ZIP code, and county areas.

Terms and Definitions

The following list details variables found in the Geocoding Data System.

City Code: Coding system used by Missouri Vital Statistics in processing birth, death, fetal death and abortion records for the state. The coding system originally came from the US Census Bureau.

The “V” next to the vital statistics city code designates that only these cities are included in the Vital Statistics coding system.

Federal Information Processing Standards (FIPS)
FIPS codes were issued by the National Institute of Standards and Technology (NIST) after approval by the Secretary of Commerce. FIPS are the standard codes for geographic places used by the federal government.

FIPS City Code (FIPS Place Code): Standard code for cities used by the federal government. The Census Bureau began using these codes in the 2000 Census.

FIPS Class Code Definitions:
The following selected definitions are taken from the official FIPS web site. For additional information see:  http://geonames.usgs.gov/domestic/fips55codedef.html

Class C:
Names appearing in this class are those recognized by the US Census Bureau based on information provided by State, county, and local governments.

C1: Identifies an active incorporated place that does not serve as a county subdivision equivalent.

C7: Identifies as an incorporated place that is independent of any county. Independent cities exist in only four States: Maryland (Baltimore City), Nevada (Carson City), Missouri (St. Louis City) and Virginia (41 cities). These cities also serve as county equivalents.

Class M:

M2: Identifies a military or other defense installation entirely within a place.

Class U:

U1: Identifies a census designated place (CDP) with an official federally recognized name.

U2: Identifies a census designated place without an official federally recognized name.

FIPS County Code: Standard code for counties used by the federal government. The Census Bureau began using these codes in the 2000 Census.

US Postal Service ZIP Code: The US Post Office categories for grouping mailing addresses.