Community Identification Number

This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. Find sources: "Community Identification Number" – news · newspapers · books · scholar · JSTOR (February 2013) (Learn how and when to remove this message)

The Official Municipality Key, formerly also known as the Official Municipality Characteristic Number or Municipality Code Number, is a number sequence for the identification of politically independent municipalities or unincorporated areas. Other classifications for the identification of areas include postal codes, NUTS codes or FIPS codes.