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American National Standards Institute codes (ANSI codes) are standardized numeric or alphabetic codes issued by the American National Standards Institute (ANSI) to ensure uniform identification of geographic entities through all federal government agencies. The American National Standards Institute (ANSI) has taken over the management of geographic codes from the National Institute of Standards and Technology (NIST). Under NIST, the codes adhered to the Federal Information Processing Standards (FIPS). ANSI now issues two types of codes. They continue to issue the commonly used FIPS codes, although the acronym has now changed to Federal Information Processing Series, because it is no longer considered the standard. They also issue the Geographic Names Information System (GNIS) Identifiers, which were established by the United States Geological Survey (USGS). The Census Bureau also assigns and issues codes for a number of geographic entities for which FIPS or GNIS codes are not available, and sometimes in addition to FIPS and GNIS codes.

The majority of the tables included on this webpage provide the FIPS codes, but there are three exceptions. The American Indian Areas table provides codes assigned by the Census Bureau. The school district code tables provide the local education agency numbers assigned by the U.S. Department of Education and the voting district tables include codes assigned by the states.

The USGS provides a tool for searching the Geographic Names Information System for GNIS codes. It is linked to under "Other Resources" below.

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Other Resources

  • Also known as INCITS 446-2008
  • To look up a code used by the Census Bureau (including Census and Civil codes), click on the "U.S. Board on Geographic Names - Domestic Names" link below and then click on "Search Domestic Names".
  • To download codes used by the Census Bureau (including Census and Civil codes), click on the "U.S. Board on Geographic Names - Domestic Names" link below, click on "Download Domestic Names", and then go to "State Files with Federal Codes".

The U.S. Census Bureau uses the codes in INCITS 446-2008 to identify both legal and statistical entities for county subdivisions, places, and American Indian areas/Alaska Native areas/Hawaiian home lands. INCITS 446-2008 includes many more entity records than those for which the Census Bureau tabulates data. The INCITS 446-2008 codes are nation-based. American Indian reservations, off-reservation trust land areas, American Indian tribal subdivisions, Oklahoma tribal statistical areas (OTSAs), state designated tribal statistical areas (SDTSAs), and/or tribal designated statistical areas (TDSAs) in more than one state will have one INCITS 446-2008 code.

American Indian Areas

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Field Name Field Description Example
AIANNHCE American Indian Area code 2430
AIANNHNAME American Indian Area name and legal/statistical area description Navajo Nation Reservation and Off-Reservation Trust Land

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Congressional Districts

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Field Name Field Description Example
STATE State Postal Code AL
STATEFP State FIPS Code 01
CD113FP 113th Congressional District FIPS Code 6
NAMELSAD Current name and the translated legal/statistical area description for the congressional district Congressional District 6

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Field Name Field Description Example
STATE State Postal Code FL
STATEFP State FIPS Code 12
COUNTYFP County FIPS Code 011
COUNTYNAME County Name and Legal/Statistical Area Description Broward County
CLASSFP FIPS Class Code H1
FIPS Class Codes
H1:  identifies an active county or statistically equivalent entity that does not qualify under subclass C7 or H6.
H4:  identifies a legally defined inactive or nonfunctioning county or statistically equivalent entity that does not qualify under subclass H6.
H5:  identifies census areas in Alaska, a statistical county equivalent entity.
H6:  identifies a county or statistically equivalent entity that is areally coextensive or governmentally consolidated with an incorporated place, part of an incorporated place, or a consolidated city.
C7:  identifies an incorporated place that is an independent city; that is, it also serves as a county equivalent because it is not part of any county, and a minor civil division (MCD) equivalent because it is not part of any MCD.

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Field Name Field Description Example
STATE State postal code MA
STATEFP State FIPS code 25
COUNTYFP County FIPS code 027
COUNTYNAME County name and legal/statistical area description Worcester County
COUSUBFP County subdivision FIPS code 28740
COUSUBNAME County subdivision name and legal/statistical area description Hardwick town
FUNCSTAT Functional Status A
Functional Status Codes
A:  identifies an active government providing primary general-purpose functions
B:  identifies an active government that is partially consolidated with another government but with separate officials providing primary general-purpose functions
C:  identifies an active government consolidated with another government with a single set of officials
F:  identifies a fictitious entity created to fill the Census Bureau's geographic hierarchy
G:  identifies an active government that is subordinate to another unit of government
I:  identifies an inactive governmental unit that has the power to provide primary special-purpose functions
N:  identifies a nonfunctioning legal entity
S:  identifies a statistical entity

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Field Name Field Description Example
STATE State postal code MA
STATEFP State FIPS code 25
PLACEFP Place or county subdivision FIPS code 16840
PLACENAME Place or county subdivision name and legal/statistical area description Devens CDP
TYPE Type of place or county subdivision Census Designated Place
FUNCSTAT Functional status S
COUNTY County or counties in which the place or county subdivision is located Middlesex County, Worcester County
Functional Status Codes
A:  identifies an active government providing primary general-purpose functions
B:  identifies an active government that is partially consolidated with another government but with separate officials providing primary general-purpose functions
C:  identifies an active government consolidated with another government with a single set of officials
F:  identifies a fictitious entity created to fill the Census Bureau's geographic hierarchy
G:  identifies an active government that is subordinate to another unit of government
I:  identifies an inactive governmental unit that has the power to provide primary special-purpose functions
N:  identifies a nonfunctioning legal entity
S:  identifies a statistical entity

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Field Name Field Description Example
STATE State postal code MA
STATEFP State FIPS code 25
LEA School district local education agency code 00001
SDNAME School district name Quabbin School District
TYPE School district type Unified

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State and State Equivalents

National FIPS and GNIS Codes File

This file contains pipe delimited records for each state. The records are of the format:

FIPS State Code | Official United States Postal Service (USPS) Code | Name | Geographic Names Information System Identifier (GNISID)

For example:

23|ME|Maine|01779787

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FIPS Codes for the States and the District of Columbia

Name FIPS State Numeric Code Official USPS Code
Alabama 01 AL
Alaska 02 AK
Arizona 04 AZ
Arkansas 05 AR
California 06 CA
Colorado 08 CO
Connecticut 09 CT
Delaware 10 DE
District of Columbia 11 DC
Florida 12 FL
Georgia 13 GA
Hawaii 15 HI
Idaho 16 ID
Illinois 17 IL
Indiana 18 IN
Iowa 19 IA
Kansas 20 KS
Kentucky 21 KY
Louisiana 22 LA
Maine 23 ME
Maryland 24 MD
Massachusetts 25 MA
Michigan 26 MI
Minnesota 27 MN
Mississippi 28 MS
Missouri 29 MO
Montana 30 MT
Nebraska 31 NE
Nevada 32 NV
New Hampshire 33 NH
New Jersey 34 NJ
New Mexico 35 NM
New York 36 NY
North Carolina 37 NC
North Dakota 38 ND
Ohio 39 OH
Oklahoma 40 OK
Oregon 41 OR
Pennsylvania 42 PA
Rhode Island 44 RI
South Carolina 45 SC
South Dakota 46 SD
Tennessee 47 TN
Texas 48 TX
Utah 49 UT
Vermont 50 VT
Virginia 51 VA
Washington 53 WA
West Virginia 54 WV
Wisconsin 55 WI
Wyoming 56 WY

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FIPS Codes for Outlying Areas of the United States and the Freely Associated States
 
Area Name FIPS State Numeric Code Official USPS Code Status
American Samoa 60 AS 1
Federated States of Micronesia 64 FM 3
Guam 66 GU 1
Marshall Islands 68 MH 3
Commonwealth of the Northern Mariana Islands 69 MP 1
Palau 70 PW 3
Puerto Rico 72 PR 1
U.S. Minor Outlying Islands 74 UM 2
U.S. Virgin Islands 78 VI 1

Status:

  1. Under U.S sovereignty
  2. An aggregation of nine U.S. territories: Baker Island, Howland Island, Jarvis Island, Johnston Atoll, Kingman Reef, Midway Islands, Navassa Island, Palmyra Atoll, and Wake Island. Each territory is assigned an ANSI County Code in INCITS 31:2009, and may be individually identified through a combination of the ANSI State Code (74 or UM) and the appropriate ANSI County Code.
  3. Independent nation that operates under a Compact of Free Association with the United States of America.

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FIPS State Numeric Codes for the Individual Minor Outlying Island Territories

Area Name FIPS State Numeric Code
Baker Island 81
Howland Island 84
Jarvis Island 86
Johnston Atoll 67
Kingman Reef 89
Midway Islands 71
Navassa Island 76
Palmyra Atoll 95
Wake Island 79

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Field Name Field Description Example
STATE State postal code MD
STATEFP State FIPS code 24
COUNTYFP County FIPS code 009
COUNTYNAME County name and legal/statistical area description Calvert County
VTDST Voting district code 01-001
VTDNAME Voting district name and legal/statistical area description Calvert Precinct 01-001

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Related Information

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