Reference exchange
Geographic crosswalks
Start with the identifier system you already have. Every entry below is published, callable, versioned, and preserves one-to-many or many-to-many results instead of silently choosing one match.
list_reference_systemsASGS Edition 3 Local Government Areas digital boundary file
Connects to Admin 4, county or equivalent.
View conversions ›ASGS Edition 3 Suburbs and Localities 2021
Connects to county or equivalent, state or province.
View conversions ›ASGS Edition 3 Urban Centres and Localities 2021
Connects to county or equivalent, state or province.
View conversions ›Admin 3
Connects to county or equivalent.
View conversions ›Admin 4
Connects to Admin 3.
View conversions ›Aus Lga
Connects to block group or equivalent, county or equivalent.
View conversions ›admin 5
Connects to Admin 4.
View conversions ›admin 6
Connects to admin 5.
View conversions ›county or equivalent
Connects to state or province.
View conversions ›state or province
Connects to country.
View conversions ›Admin 3
Connects to county or equivalent.
View conversions ›Admin 4
Connects to Admin 3.
View conversions ›IBGE Census 2022 bairros
Connects to county or equivalent.
View conversions ›Ibge Municipality
Connects to county or equivalent.
View conversions ›county or equivalent
Connects to state or province.
View conversions ›state or province
Connects to country.
View conversions ›2021 Census Federal Electoral District Cartographic Boundary File (2013 Representation Order)
Connects to 2021 Census Federal Electoral District Cartographic Boundary File (2013 Representation Order), Admin 3, county or equivalent.
View conversions ›2021 Census Forward Sortation Area Cartographic Boundary File
Connects to Admin 3, Admin 4.
View conversions ›ASGS Edition 3 2021 Mesh Block digital boundary file
Connects to Admin 3, Admin 4.
View conversions ›ASGS Edition 3 Local Government Areas digital boundary file
Connects to Admin 3.
View conversions ›ASGS Edition 3 Suburbs and Localities 2021
Connects to Admin 3.
View conversions ›ASGS Edition 3 Urban Centres and Localities 2021
Connects to Admin 3, county or equivalent.
View conversions ›Admin 3
Connects to county or equivalent.
View conversions ›Admin 4
Connects to Admin 3.
View conversions ›Can Census Metro Area
Connects to census tract or equivalent, county or equivalent.
View conversions ›Can Census Tract
Connects to block group or equivalent, census tract or equivalent.
View conversions ›Can Designated Place
Connects to census tract or equivalent.
View conversions ›Can Ecological Land Classification 2017
Connects to census tract or equivalent, county or equivalent.
View conversions ›Can Federal Electoral District 2013
Connects to census tract or equivalent.
View conversions ›Can Forward Sortation Area
Connects to block group or equivalent, census tract or equivalent.
View conversions ›Can Historic Treaty Area
Connects to census tract or equivalent, county or equivalent.
View conversions ›Can Indigenous Agreement Area
Connects to census tract or equivalent, county or equivalent.
View conversions ›Can Inuit Region
Connects to census tract or equivalent, county or equivalent.
View conversions ›Can Legislated Time Zone
Connects to census tract or equivalent, county or equivalent.
View conversions ›Can Metis Settlement
Connects to census tract or equivalent, county or equivalent.
View conversions ›Can Modern Treaty Area
Connects to census tract or equivalent, county or equivalent.
View conversions ›Can Nb Electoral District History
Connects to census tract or equivalent, county or equivalent.
View conversions ›Can Nb Protected Watershed
Connects to census tract or equivalent, county or equivalent.
View conversions ›Can Nt Program Region
Connects to census tract or equivalent, county or equivalent.
View conversions ›Can Provincial Electoral District 2026 08
Connects to census tract or equivalent, county or equivalent.
View conversions ›Can Provincial Health Region
Connects to census tract or equivalent, county or equivalent.
View conversions ›Can Provincial School District
Connects to census tract or equivalent, county or equivalent.
View conversions ›Can Provincial Watershed Management
Connects to census tract or equivalent, county or equivalent.
View conversions ›Can Sdac Drainage Area 2003
Connects to census tract or equivalent, county or equivalent.
View conversions ›Drainage Area
Connects to Admin 3, Drainage Area, county or equivalent.
View conversions ›ENR/ITI/Lands administrative program regions
Connects to Admin 3, county or equivalent, state or province.
View conversions ›Ecological Region
Connects to Admin 3, Ecological Region, county or equivalent.
View conversions ›First Nations
Connects to Admin 3, First Nations, county or equivalent.
View conversions ›Hydrometric Basin
Connects to Drainage Area.
View conversions ›Map Grid
Connects to Map Grid.
View conversions ›Named oceans and seas
Connects to state or province.
View conversions ›New Brunswick Protected Watersheds
Connects to New Brunswick Protected Watersheds.
View conversions ›Provincial health authority, service, network, and delivery regions
Connects to Admin 3, Provincial health authority, service, network, and delivery regions, county or equivalent.
View conversions ›Provincial school authorities, divisions, districts, regions, and attendance zones
Connects to Admin 3, county or equivalent.
View conversions ›Quebec, Manitoba, and Saskatchewan watershed management regions
Connects to Admin 3, county or equivalent.
View conversions ›Standard and Daylight Saving Time Zones of Canada
Connects to Admin 3, Standard and Daylight Saving Time Zones of Canada, county or equivalent.
View conversions ›admin 5
Connects to Admin 4, Provincial health authority, service, network, and delivery regions.
View conversions ›county or equivalent
Connects to state or province.
View conversions ›state or province
Connects to country.
View conversions ›Admin 3
Connects to county or equivalent.
View conversions ›Admin 4
Connects to Admin 3.
View conversions ›county or equivalent
Connects to state or province.
View conversions ›state or province
Connects to country.
View conversions ›Admin 3
Connects to county or equivalent.
View conversions ›county or equivalent
Connects to state or province.
View conversions ›state or province
Connects to country.
View conversions ›119th congressional district
Connects to American Indian, Alaska Native, and Native Hawaiian area, Census place, ZIP Code Tabulation Area (ZCTA), census tract or equivalent, county or equivalent, county subdivision and more.
View conversions ›2020 Census block
Connects to 2010 Census block.
View conversions ›2020 Census urban area
Connects to 2023 core-based statistical area, Census place, ZIP Code Tabulation Area (ZCTA), county or equivalent, county subdivision.
View conversions ›2020 New England city and town area
Connects to 2023 core-based statistical area.
View conversions ›2020 core-based statistical area
Connects to 2023 core-based statistical area.
View conversions ›2021 Census Forward Sortation Area Cartographic Boundary File
Connects to Admin 3, Admin 4, admin 5, country, county or equivalent, state or province.
View conversions ›2024 state legislative lower district
Connects to American Indian, Alaska Native, and Native Hawaiian area, Census place, ZIP Code Tabulation Area (ZCTA), census tract or equivalent, county or equivalent, county subdivision and more.
View conversions ›2024 state legislative upper district
Connects to American Indian, Alaska Native, and Native Hawaiian area, Census place, ZIP Code Tabulation Area (ZCTA), census tract or equivalent, county or equivalent, county subdivision and more.
View conversions ›ASGS Edition 3 Suburbs and Localities 2021
Connects to county or equivalent, state or province.
View conversions ›Admin 3
Connects to 2010 Census tract, county or equivalent.
View conversions ›Admin 4
Connects to 2010 Census block group, Admin 3.
View conversions ›Census place
Connects to 2010 Census place.
View conversions ›First Nations
Connects to Admin 3, Admin 4, country, county or equivalent, state or province.
View conversions ›NWS Fire Weather Zones snapshot dated 2025-03-18
Connects to country, county or equivalent, state or province.
View conversions ›Overlay Nws Fire Weather Zone
Connects to country, county or equivalent, state or province.
View conversions ›Overlay Nws Public Zone
Connects to country, county or equivalent, state or province.
View conversions ›Overlay Tribal
Connects to block group or equivalent, census tract or equivalent, country, county or equivalent, state or province.
View conversions ›Overlay Zcta
Connects to 2020 Census block, Admin, Admin 3, Census place, admin 5, block group or equivalent and more.
View conversions ›admin 5
Connects to Admin 4.
View conversions ›county or equivalent
Connects to state or province.
View conversions ›county subdivision
Connects to 2010 county subdivision.
View conversions ›state or province
Connects to country.
View conversions ›For agents: call list_reference_systems with country_scope, then use resolve_reference or convert_reference. The registry is generated from the same catalog used by these pages.