Property talk:P440

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German district key
identifier for districts (Landkreise) and independent towns in Germany

Description	number sequence for the identification of districts ("Landkreise") and independent towns in Germany, assigned by Federal Statistical Office (Q764739).
Data type	External identifier
Template parameter	|Kreisschlüssel= in de:Vorlage:Infobox Landkreis
Domain	According to this template: all districts and independent towns in Germany (Q183) - political territorial entity (Q1048835), mainly district of Germany (Q106658) According to statements in the property: political territorial entity (Q1048835) When possible, data should only be stored as statements
Allowed values	\d{5}
Example	Altenkirchen district (Q8608) → 07132 Osnabrück (Q5940) → 03459
Source	https://www.destatis.de/DE/ZahlenFakten/LaenderRegionen/Regionales/Gemeindeverzeichnis/Gemeindeverzeichnis.html
Tracking: same	no label (Q28605272)
Tracking: differences	no label (Q32068989)
Tracking: usage	Category:Pages using Wikidata property P440 (Q32068988)
Tracking: local yes, WD no	no label (Q24194521)
Related to country	Germany (Q183) (See 345 others)
See also	German regional key (P1388)
Lists	Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to one Wikipedia (sample: Welsh Wikipedia, cywiki) Items with the fewest sitelinks Most linked wikis Items with the most identifier properties Items with no other external identifier Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims Usage history (total) Usage history (main statement) Chart by item creation date Database reports/Constraint violations/P440 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 738 Main statement 734 99.5% of uses Qualifier 4 0.5% of uses
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Type “political territorial entity (Q1048835)”: item must contain property “instance of (P31)” with classes “political territorial entity (Q1048835)” or their subclasses (defined using subclass of (P279)). (Help)

List of violations of this constraint: Database reports/Constraint violations/P440#Type Q1048835, hourly updated report, SPARQL

Item “country (P17): Germany (Q183), West Germany (Q713750)”: Items with this property should also have “country (P17): Germany (Q183), West Germany (Q713750)”. (Help)

List of violations of this constraint: Database reports/Constraint violations/P440#Item P17, hourly updated report, search

Format “\d{5}”: value must be formatted using this pattern (PCRE syntax). (Help)

List of violations of this constraint: Database reports/Constraint violations/P440#Format, hourly updated report, SPARQL

Distinct values: this property likely contains a value that is different from all other items. (Help)

List of violations of this constraint: Database reports/Constraint violations/P440#Unique value, hourly updated report, SPARQL (every item), SPARQL (by value)

Single value: this property generally contains a single value. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303). Known exceptions: Göttingen district (Q6022)
List of violations of this constraint: Database reports/Constraint violations/P440#Single value, SPARQL

Item “located in the administrative territorial entity (P131)”: Items with this property should also have “located in the administrative territorial entity (P131)”. (Help)

List of violations of this constraint: Database reports/Constraint violations/P440#Item P131, hourly updated report, search, SPARQL

Item “coordinate location (P625)”: Items with this property should also have “coordinate location (P625)”. (Help)

List of violations of this constraint: Database reports/Constraint violations/P440#Item P625, hourly updated report, SPARQL

Allowed entity types are Wikibase item (Q29934200): the property may only be used on a certain entity type (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P440#Entity types

This property is being used by: it:Modulo:Codice statistico, it:Template:Dati popolazione DE-BY, it:Template:Dati popolazione DE-SN, it:Template:Dati popolazione DE-BW, it:Template:Dati popolazione DE-MV, it:Template:Dati popolazione DE-ST, it:Template:Dati popolazione DE-NW, it:Template:Dati popolazione DE-NI, it:Template:Dati popolazione DE-BB, it:Template:Dati popolazione DE-HE, it:Template:Dati popolazione DE-RP, it:Template:Dati popolazione DE-SH, it:Template:Dati popolazione DE-SL, it:Template:Dati popolazione DE-TH, it:Template:Divisione amministrativa/Abitanti/DEU, it:Template:Dati popolazione DEU eu:Txantiloi:Alemaniako barruti infotaula automatikoa no:Mal:Infoboks landkreis de:Vorlage:HdBG GKZ nds:Vörlaag:Infobox Landkreis vi:Bản mẫu:HdBG GKZ Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)