Community Identification Number
number sequence for the identification of politically independent municipalities
A Community Identification Number (also known as an Official Municipality Key, Official Municipality Characteristic Number or Municipality Code Number) is a number sequence for the identification of politically independent municipalities or unincorporated areas in Germany. Other classifications for the identification of areas include postal codes, NUTS codes or FIPS codes.
Germany
In Germany the Official Municipality Key serves statistical purposes and is issued by the statistics offices of individual German states. The municipality key is to be indicated in instances such as changing residence on the notice of departure or registration documents. This is done at the registration office in every town's city hall.
Structure
The municipality key consists of eight digits, which are generated as follows: The first two digits designate the individual German state. The third digit designates the government district (in areas without government districts a zero is used instead). The fourth and fifth digits designate the number of the urban area (in a district-free city) or the district (in a city with districts). The sixth, seventh, and eighth digits indicate the municipality or the number of the unincorporated area.
Examples
08 1 11 000: Stuttgart
08: Baden-Württemberg
1: Government district of Stuttgart
11: Urban area of Stuttgart
000: No other municipality is available, since Stuttgart is an urban area
15 3 52 002: Aschersleben
15: Saxony-Anhalt
3: Government district of Magdeburg
52: District of Aschersleben Staßfurt
002: City of Aschersleben
Federal States
01: Schleswig-Holstein
02: Hamburg
03: Lower Saxony
04: Bremen
05: North Rhine-Westphalia
06: Hesse
07: Rhineland-Palatinate
08: Baden-Württemberg
09: Bavaria
10: Saarland
11: Berlin
12: Brandenburg
13: Mecklenburg-Vorpommern
14: Saxony
15: Saxony-Anhalt
16: Thuringia
Austria
Structure
The municipality identifier consists of five digits in Austria, which are generated as follows: The first digit designates the number of the Austrian state, the second and third digits designate the district, and the fourth and fifth digits designate the municipality.
Begin with the source’s own compact description: “Community Identification Number” is number sequence for the identification of politically independent municipalities. The dossier treats that line as a proposition to test through Community, Identification and Number, not as a finished interpretation.
Why this record matters
The phrase “number sequence for the identification of politically independent municipalities” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.
The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Aug 12, 2025. The linked authority identifier is Q23003. None of the 0 selected statements returned an explicit reference.
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This entry incorporates text from “Community Identification Number” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.