CLDXF-US (Civic Location Data Exchange Format - United States)

CLDXF-US (Civic Location Data Exchange Format - United States) is a United States profile of PIDF‑LO that defines a set of standard data elements that describe detailed street address information.

Relevant NENA Documents
Note: To find and download the document, copy the document number (like NENA-STA-010) from below and search the NENA Standards and Documents page.

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NENA-STA-004, NENA Next Generation 9-1-1 (NG9-1-1) United States Civic Location Data Exchange Format (CLDXF) Standard

External References

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RFC 6848, Specifying Civic Address Extensions in the Presence Information Data Format Location Object (PIDF-LO)

ISO 3166 Country Codes

Postal Addressing Standards Publication 28

CLDXF Term	Definition
Country	The name of a country represented by its two-letter ISO 3166-1 English country alpha-2 code elements in UPPER CASE letters.
State	The name of a state or state equivalent, represented by the two-letter UPPER CASE abbreviation given in USPS Publication 28, Appendix B. A state is a primary governmental division of the United States.
County	The name of a county or county-equivalent where the address is located. A county (or its equivalent) is the primary legal division of a state or territory.
Incorporated Municipality	The name of the incorporated municipality or other general-purpose local governmental unit (if any) where the address is located.
Unincorporated Community	The name of an unincorporated community, either within an incorporated municipality or in an unincorporated portion of a county, or both, where the address is located.
Neighborhood Community	The name of an unincorporated neighborhood, subdivision or area, either within an incorporated municipality or in an unincorporated portion of a county or both, where the address is located.
Postal Community Name	A city name for the ZIP Code of an address, as given in the USPS City State file.
Postal Code	A system of 5-digit codes that identifies the individual USPS Post Office or metropolitan area delivery station associated with an address.
Postal Code Extension	A system of 4-digit codes that are used after the 5-digit ZIP Code to specify a range of USPS delivery addresses.
Street Name Pre Modifier	A word or phrase that precedes and modifies the Street Name element, but is separated from it by a Street Name Pre Type or a Street Name Pre Directional or both, or is placed outside the Street Name element so that the Street Name element can be used in creating a sorted (alphabetical or alphanumeric) list of complete street names.
Street Name Pre Directional	A word preceding the Street Name element that indicates the direction taken by the street from an arbitrary starting point or line, or the sector where it is located.
Street Name Pre Type	A word or phrase that precedes the Street Name element and identifies a type of thoroughfare in a complete street name.
Street Name Pre Type Separator	A preposition or prepositional phrase between the Street Name Pre Type and the Street Name. This element is defined in CLDXF as a US specific extension of PIDF-LO per RFC 6848.
Street Name	The element of the complete street name that identifies the particular street (as opposed to any street types, directionals, and modifiers).
Street Name Post Type	A word or phrase that follows the Street Name element and identifies a type of thoroughfare in a complete street name.
Street Name Post Directional	A word following the Street Name element that indicates the direction taken by the street from an arbitrary starting point or line, or the sector where it is located.
Street Name Post Modifier	A word or phrase that follows and modifies the Street Name element but it is separated from it by a Street Name Post Type or a Street Name Post Directional, or both.
Address Number Prefix	An extension of the address number that precedes it and further identifies a location along a thoroughfare or within a defined area.
Address Number	The numeric identifier of a location along a thoroughfare or within a defined community.
Address Number Suffix	An extension of the address number that follows it and further identifies a location along a thoroughfare or within a defined area.
Distance Marker	A distance travelled along a route such as a road or highway, typically indicated by a distance marker sign. There is typically a post or other marker indicating the distance in miles/kilometers from or to a given point.
Site	The name of an exterior area which is publicly known and unique within a given place. A site may contain one or more structures and/or sub-sites.
SubSite	The name of a sub-area within a larger area specified in a civic location record either by site name, by a thoroughfare address, or both.
Structure	A built feature which has a vertical dimension: including both conventional buildings which have walls, doors, and a roof, and other kinds of infrastructure such as cell towers, transformer stations, fuel tanks, and so on.
Wing	A designated part of a structure which spans one or many floors, typically including more than one unit or room and representing a significant portion of the structure floor area.
Floor	The standardized identifier for a story or level within a structure, wing, or unit.
Unit Pre Type	Part of the complete unit identifier that precedes the Unit Value and indicates the kind of unit.
Unit Value	Part of the complete unit identifier that uniquely identifies a particular unit.
Room	A single, distinctly identified, enclosed space within a structure.
Section	An identified, unenclosed area within a structure, wing, unit, or room.
Row	An identified linear feature, such as a linear arrangement of seats, workstations, equipment, or storage, within a structure, wing, unit, or room.
Seat	A place where a person might sit within a building.
Additional Location Information	Information that relates to location but does not meet the definition of any other named location elements.
Place Type	The type of feature identified by the address.