National Immunization Survey Geocodes

The following lists the geographic variables that exist within the NIS. The variable label explains the variable name. When applying for access to this data through the RDC, please provide the variable name.

Year Public-Use Restricted-Use
Variable Name Variable Label Variable Name
Child Level Analysis File [CLAF]
Variable Label
2007 CEN_REG Census Region AREACODE Area code of respondent
STATE State FIPS C11A_CITY City lived in when child was born
ESTIAP07 Estimation IAP Area of residence C11A_COUNTY County lived in when child was born
C11A_STATE State lived in when child was born
C11_ZIPCODE Zip code live in when child was born
C19_CITY City currently live in
C19_CITYLIMITS Currently live within the city limits
C19_COUNTY County currently live in
C19_STATE State currently live in
C19_ZIPCODE Zip code of current residence
MR4 Area code of call back telephone number
BEST_HHGEOCC Geocoding result accuracy of best HH address
PR_GEOACC_1 Geocoding result accuracy of addr for provider #1
PR_GEOACC_2 Geocoding result accuracy of addr for provider #2
PR_GEOACC_3 Geocoding result accuracy of addr for provider #3
PR_GEOACC_4 Geocoding result accuracy of addr for provider #4
PR_GEOACC_5 Geocoding result accuracy of addr for provider #5
CEN_REG Census region based on true state of residence
ESTIAP07 Estimation IAP area of residence
IAPID07 Sampling AIP area of telephone number
MSA Original MSA status based on telephone exchange of HH
ORIGIAP Original 1995-2004 IAP area of residence
RESFIPS Original state and county FIPS code for current residence
STATE True state of residence (state FIPS code)
TRUEIAP07 True IAP area of residence
2006 CEN_REG Census Region AREACODE Area code of respondent
STATE State FIPS C11A_CITY City lived in when child was born
ESTIAP06 Estimation IAP Area of Residence C11A_COUNTY County lived in when child was born
C11A_STATE State lived in when child was born
C11_ZIPCODE Zip code live in when child was born
C19_CITY City currently live in
C19_CITYLIMITS Currently live within the city limits
C19_COUNTY County currently live in
C19_STATE State currently live in
C19_ZIPCODE Zip code of current residence
MR4 Area code of call back telephone number
CEN_REG Census region based on true state of residence
ESTIAP06 Estimation IAP area of residence
IAPID06 Sampling AIP area of telephone number
MSA Original MSA status based on telephone exchange of HH
ORIGIAP Original 1995-2004 IAP area of residence
RESFIPS Original state and county FIPS code for current residence
STATE True state of residence (state FIPS code)
TRUEIAP06 True IAP area of residence
2005 CEN_REG Census Region AREACODE Area code of respondent
STATE State FIPS C11A_CITY City lived in when child was born
ESTIAP05 Estimation IAP Area of Residence C11A_COUNTY County lived in when child was born
C11A_STATE State lived in when child was born
C11_ZIPCODE Zip code live in when child was born
C19_CITY City currently live in
C19_CITYLIMITS Currently live within the city limits
C19_COUNTY County currently live in
C19_STATE State currently live in
C19_ZIPCODE Zip code of current residence
MR4 Area code of call back telephone number
CEN_REG Census region based on true state of residence
ESTIAP Estimation IAP area of residence
IAPID Sampling AIP area of telephone number
MSA Original MSA status based on telephone exchange of HH
ORIGIAP Original 1995-2004 IAP area of residence
RESFIPS Original state and county FIPS code for current residence
STATE True state of residence (state FIPS code)
TRUEIAP True IAP area of residence
2004 ITRUEIAP IAP Area of Current Residence C19_A Zip code of residence
STATE State FIPS code MEST_STATUS New MSA status based on revised OMB classification
CEN_REG Census region MET_STATUS New MCSA status based on revised OMB classif.
MSA MSA based on telephone exchange of HH
CEN_REG Census region based on state
IAPID Sample IAP area of telephone number
ITRUEIAP IAP area of residence
IRESFIPS State and county FIPS code for current residence
STATE State of residence (state FIPS code)
2003 ITRUEIAP IAP Area of Current Residence C19_A Zip code of residence
STATE State FIPS code MSA MSA based on telephone exchange of HH
CEN_REG Census region CEN_REG Census region based on state
IAPID Sample IAP area of telephone number
ITRUEIAP IAP area of residence
IRESFIPS State and county FIPS code for current residence
STATE State of residence (state FIPS code)
2002 ITRUEIAP IAP Area of Current Residence C19_A Zip code of residence
STATE State FIPS code MSA MSA based on telephone exchange of HH
CEN_REG Census region CEN_REG Census region based on state
IAPID Sample IAP area of telephone number
ITRUEIAP IAP area of residence
IRESFIPS State and county FIPS code for current residence
STATE State of residence (state FIPS code)
2001 ITRUEIAP IAP Area of Current Residence C19_A Zip code of residence
STATE State FIPS code MSA MSA based on telephone exchange of HH
CEN_REG Census region CEN_REG Census region based on state
IAPID Sample IAP area of telephone number
ITRUEIAP IAP area of residence
IRESFIPS State and county FIPS code for current residence
STATE State of residence (state FIPS code)
2000 ITRUEIAP IAP Area of Current Residence C19_A Zip code of residence
STATE State FIPS code MSA MSA based on telephone exchange of HH
CEN_REG Census region CEN_REG Census region based on state
IAPID Sample IAP area of telephone number
ITRUEIAP IAP area of residence
IRESFIPS State and county FIPS code for current residence
STATE State of residence (state FIPS code)
1999 ITRUEIAP IAP Area of Current Residence C19_A Zip code of residence
STATE State FIPS code MSA MSA based on telephone exchange of HH
CEN_REG Census region CEN_REG Census region based on state
IAPID Sample IAP area of telephone number
ITRUEIAP IAP area of residence
IRESFIPS State and county FIPS code for current residence
STATE State of residence (state FIPS code)
1998 ITRUEIAP IAP Area of Current Residence C19_A Zip code of residence
STATE State FIPS code MSA MSA based on telephone exchange of HH
CEN_REG Census region CEN_REG Census region based on state
IAPID Sample IAP area of telephone number
ITRUEIAP IAP area of residence
IRESFIPS State and county FIPS code for current residence
STATE State of residence (state FIPS code)
1997 ITRUEIAP IAP Area of Current Residence C19_A Zip code of residence
STATE State FIPS code MSA MSA based on telephone exchange of HH
CEN_REG Census region CEN_REG Census region based on state
IAPID Sample IAP area of telephone number
ITRUEIAP IAP area of residence
IRESFIPS State and county FIPS code for current residence
STATE State of residence (state FIPS code)
1996 ITRUEIAP IAP Area of Current Residence C19_A Zip code of residence
STATE State FIPS code MSA MSA based on telephone exchange of HH
CEN_REG Census region CEN_REG Census region based on state
IAPID Sample IAP area of telephone number
ITRUEIAP IAP area of residence
IRESFIPS State and county FIPS code for current residence
STATE State of residence (state FIPS code)
1995 ITRUEIAP IAP Area of Current Residence C19_A Zip code of residence
STATE State FIPS code MSA MSA based on telephone exchange of HH
CEN_REG Census region CEN_REG Census region based on state
IAPID Sample IAP area of telephone number
ITRUEIAP IAP area of residence
IRESFIPS State and county FIPS code for current residence
STATE State of residence (state FIPS code)